diff --git a/core/config/main.php b/core/config/main.php
index bf6dfd2..9a7603c 100755
--- a/core/config/main.php
+++ b/core/config/main.php
@@ -94,5 +94,5 @@
     $g_config['vote']                   = "./tmp/vote/vote.txt";
     $g_config['voteTopics']             = "./tmp/vote/voteTopics.txt_";
     $g_config['use_js_cache']           = true;
-    $g_config['engine_version']         = 109;
+    $g_config['engine_version']         = 110;
 ?>
diff --git a/i/css/home.css b/i/css/home.css
index 0ebb6c1..3a8d06d 100755
--- a/i/css/home.css
+++ b/i/css/home.css
@@ -554,6 +554,31 @@ label.switcherText {
   padding: 6px;
 }
 
+.incidence-matrix-controls {
+    display: flex;
+    align-items: center;
+    flex-wrap: wrap;
+    gap: 8px;
+    margin-top: 8px;
+}
+
+.incidence-matrix-controls label {
+    margin: 0;
+    white-space: nowrap;
+}
+
+#incidenceEdgeEnumeration {
+    flex: 1 1 150px;
+    width: auto;
+    min-width: 150px;
+}
+
+#incidenceEdgeNamesList {
+    width: 100%;
+    min-width: 300px;
+    resize: vertical;
+}
+
 /* Left text */
 .side-text-wrap {
   width: 40px;
diff --git a/lang/bg/home.php b/lang/bg/home.php
index 37fdee8..cb896fc 100644
--- a/lang/bg/home.php
+++ b/lang/bg/home.php
@@ -176,6 +176,9 @@
     $g_lang["greek_add"] = "<a class=\"ProgresssBarLink\" href=\"/nl/\" target=\"_blank\">
 We have added Dutch translation 🇳🇱. Thank you Willie de Wit</a>";
     $g_lang["text_above_edge"] = "Текст над ребро";
+    $g_lang["edge_enumeration"] = "Номериране на ребрата";
+    $g_lang["no_enumeration"] = "Без номериране";
+    $g_lang["edit_edge_names"] = "Редактиране на текстовете";
 
     $g_lang["select_groupe_mac"] = "Използвайте Cmd⌘ за да изберете няколко обекта.";
     $g_lang["select_groupe_win"] = "Използвайте Ctrl за да изберете няколко обекта.";
diff --git a/lang/ch/home.php b/lang/ch/home.php
index ad67068..6a5d36d 100644
--- a/lang/ch/home.php
+++ b/lang/ch/home.php
@@ -178,6 +178,9 @@
     $g_lang["greek_add"] = "<a class=\"ProgresssBarLink\" href=\"/nl/\" target=\"_blank\">
 我们添加了中文翻译 🇳🇱. 感谢 Xingyi Zhang</a>";
     $g_lang["text_above_edge"] = "边上的文本";
+    $g_lang["edge_enumeration"] = "边编号";
+    $g_lang["no_enumeration"] = "不编号";
+    $g_lang["edit_edge_names"] = "编辑边文本";
 
     $g_lang["select_groupe_mac"] = "使用 Cmd⌘ 选择数个对象.";
     $g_lang["select_groupe_win"] = "使用 Ctrl 选择数个对象.";
diff --git a/lang/cs/home.php b/lang/cs/home.php
index 058ea2e..9ed63bd 100644
--- a/lang/cs/home.php
+++ b/lang/cs/home.php
@@ -177,6 +177,9 @@
     $g_lang["greek_add"] = "<a class=\"ProgresssBarLink\" href=\"/nl/\" target=\"_blank\">
     Přidali jsme překlad do češtiny 🇨🇿. Děkujeme Jakubovi Mazuchovi!</a>";
     $g_lang["text_above_edge"] = "Text nad hranou";
+    $g_lang["edge_enumeration"] = "Číslování hran";
+    $g_lang["no_enumeration"] = "Bez číslování";
+    $g_lang["edit_edge_names"] = "Upravit texty hran";
 
     $g_lang["select_groupe_mac"] = "Pro označení více objektů použijte klávesy Cmd⌘.";
     $g_lang["select_groupe_win"] = "Pro označení více objektů použijte klávesy Ctrl.";
diff --git a/lang/de/home.php b/lang/de/home.php
index 9f49cd4..a474c3d 100644
--- a/lang/de/home.php
+++ b/lang/de/home.php
@@ -143,6 +143,9 @@
     $g_lang["replace_edge"] = "aktulle ersetzen";
     $g_lang["add_edge"] = "Einfügen (Multigraph)";
     $g_lang["text_above_edge"] = "Text an der Kante";
+    $g_lang["edge_enumeration"] = "Kantennummerierung";
+    $g_lang["no_enumeration"] = "Keine Nummerierung";
+    $g_lang["edit_edge_names"] = "Kantentexte bearbeiten";
     $g_lang["select_groupe_mac"] = "Nutzen Sie Cmd⌘ um mehrere Objekten zu wählen.";
     $g_lang["select_groupe_win"] = "Nutzen Sie Strg um mehrere Objekten zu wählen.";
     $g_lang["drag_select_group"] = "Gruppe ziehen";
diff --git a/lang/el/home.php b/lang/el/home.php
index b5d9add..f81843b 100644
--- a/lang/el/home.php
+++ b/lang/el/home.php
@@ -179,6 +179,9 @@
     $g_lang["french_add"] = "Προσθέσαμε γαλλική μετάφραση 🇫🇷";
     $g_lang["greece_add"] = "Προσθέσαμε ελληνική μετάφραση GR";
     $g_lang["text_above_edge"] = "Κείμενο πάνω από την άκρη";
+    $g_lang["edge_enumeration"] = "Αρίθμηση ακμών";
+    $g_lang["no_enumeration"] = "Χωρίς αρίθμηση";
+    $g_lang["edit_edge_names"] = "Επεξεργασία κειμένων ακμών";
 
     $g_lang["select_groupe_mac"] = "Χρησιμοποιήστε Cmd⌘ για να επιλέξετε πολλαπλά αντικείμενα.";
     $g_lang["select_groupe_win"] = "Χρησιμοποιήστε Ctrl για να επιλέξετε πολλαπλά αντικείμενα.";
diff --git a/lang/en/home.php b/lang/en/home.php
index 74ac561..c74ebc3 100755
--- a/lang/en/home.php
+++ b/lang/en/home.php
@@ -178,6 +178,9 @@
     $g_lang["greek_add"] = "<a class=\"ProgresssBarLink\" href=\"/nl/\" target=\"_blank\">
 We have added Dutch translation 🇳🇱. Thank you Willie de Wit</a>";
     $g_lang["text_above_edge"] = "Text above edge";
+    $g_lang["edge_enumeration"] = "Edge enumeration";
+    $g_lang["no_enumeration"] = "No enumeration";
+    $g_lang["edit_edge_names"] = "Edit edge text";
 
     $g_lang["select_groupe_mac"] = "Use Cmd⌘ to select several objects.";
     $g_lang["select_groupe_win"] = "Use Ctrl to select several objects.";
diff --git a/lang/es/home.php b/lang/es/home.php
index d433009..cab727e 100755
--- a/lang/es/home.php
+++ b/lang/es/home.php
@@ -178,6 +178,9 @@
     $g_lang["greek_add"] = "<a class=\"ProgresssBarLink\" href=\"/el/\" target=\"_blank\">
 Tenemos traducciones en griego 🇬🇷.</a> <a href=\"https://github.com/UnickSoft/graphonline/pull/4\" target=\"_blank\">Gracias KyriakosG78</a>";
     $g_lang["text_above_edge"] = "Textos sobre arista";
+    $g_lang["edge_enumeration"] = "Numeración de aristas";
+    $g_lang["no_enumeration"] = "Sin numeración";
+    $g_lang["edit_edge_names"] = "Editar textos de aristas";
 
     $g_lang["select_groupe_mac"] = "Usa Cmd⌘ para seleccionar varios objetos.";
     $g_lang["select_groupe_win"] = "Usa Ctrl para seleccionar varios objetos.";
diff --git a/lang/fr/home.php b/lang/fr/home.php
index 953a3b5..844f05a 100644
--- a/lang/fr/home.php
+++ b/lang/fr/home.php
@@ -145,6 +145,9 @@
     $g_lang["replace_edge"] = "remplacer l'actuel";
     $g_lang["add_edge"] = "ajout (multigraphe)";
     $g_lang["text_above_edge"] = "Texte au-dessus du bord";
+    $g_lang["edge_enumeration"] = "Numérotation des arêtes";
+    $g_lang["no_enumeration"] = "Sans numérotation";
+    $g_lang["edit_edge_names"] = "Modifier les textes des arêtes";
 
     $g_lang["select_groupe_mac"] = "Utiliser Cmd⌘ pour sélectionner plusieurs objets.";
     $g_lang["select_groupe_win"] = "Utiliser Ctrl pour sélectionner plusieurs objets.";
diff --git a/lang/nl/home.php b/lang/nl/home.php
index caf5c4c..7599585 100644
--- a/lang/nl/home.php
+++ b/lang/nl/home.php
@@ -143,6 +143,9 @@
     $g_lang["replace_edge"] = "vervang huidige";
     $g_lang["add_edge"] = "Toevoegen (multigraaf)";
     $g_lang["text_above_edge"] = "Tekst boven de lijn";
+    $g_lang["edge_enumeration"] = "Lijnnummering";
+    $g_lang["no_enumeration"] = "Geen nummering";
+    $g_lang["edit_edge_names"] = "Lijnteksten bewerken";
     $g_lang["select_groupe_mac"] = "Gebruik Cmd⌘ om meerdere objecten te selecteren.";
     $g_lang["select_groupe_win"] = "Gebruik Ctrl om meerdere objecten te selecteren.";
     $g_lang["drag_select_group"] = "Sleep groep";
diff --git a/lang/pl/home.php b/lang/pl/home.php
index 81b0c0a..e573b16 100644
--- a/lang/pl/home.php
+++ b/lang/pl/home.php
@@ -178,6 +178,9 @@
     $g_lang["greek_add"] = "<a class=\"ProgresssBarLink\" href=\"/nl/\" target=\"_blank\">
 Dodaliśmy polskie tłumaczenie, Patryk</a>";
     $g_lang["text_above_edge"] = "Tekst nad krawędzią";
+    $g_lang["edge_enumeration"] = "Numerowanie krawędzi";
+    $g_lang["no_enumeration"] = "Bez numerowania";
+    $g_lang["edit_edge_names"] = "Edytuj teksty krawędzi";
 
     $g_lang["select_groupe_mac"] = "Użyj Cmd⌘ by wybrać dane obiekty.";
     $g_lang["select_groupe_win"] = "Użyj Ctrl by wybrać dane obiekty.";
diff --git a/lang/pt/home.php b/lang/pt/home.php
index 289c5c2..23bdaf3 100644
--- a/lang/pt/home.php
+++ b/lang/pt/home.php
@@ -142,6 +142,9 @@
     $g_lang["graph_is_general_message"] = "";
 
     $g_lang["text_above_edge"] = "Text above edge";
+    $g_lang["edge_enumeration"] = "Numeração das arestas";
+    $g_lang["no_enumeration"] = "Sem numeração";
+    $g_lang["edit_edge_names"] = "Editar textos das arestas";
 
     $g_lang["select_groupe_mac"] = "Use Cmd⌘ to select several objects.";
     $g_lang["select_groupe_win"] = "Use Ctrl to select several objects.";
diff --git a/lang/ru/home.php b/lang/ru/home.php
index fe0d849..79ec0a6 100755
--- a/lang/ru/home.php
+++ b/lang/ru/home.php
@@ -181,6 +181,9 @@
     $g_lang["graph_is_multi_message"]   = "Мультиграф не поддерживает все алгоритмы";
     $g_lang["graph_is_general_message"] = "";
     $g_lang["text_above_edge"] = "Текст над дугой";
+    $g_lang["edge_enumeration"] = "Нумерация дуг";
+    $g_lang["no_enumeration"] = "Без нумерации";
+    $g_lang["edit_edge_names"] = "Редактировать подписи дуг";
 
     $g_lang["select_groupe_mac"] = "Выделите несколько объектов используя Cmd⌘.";
     $g_lang["select_groupe_win"] = "Выделите несколько объектов используя Ctrl.";
diff --git a/lang/sv/home.php b/lang/sv/home.php
index 2702335..eb08941 100644
--- a/lang/sv/home.php
+++ b/lang/sv/home.php
@@ -77,6 +77,9 @@
     $g_lang["zoom_out"] = "Zooma ut";
     $g_lang["move_workspace"] = "Flytta arbetsytan";
     $g_lang["custom"] = "Anpassad text";
+    $g_lang["edge_enumeration"] = "Kantnumrering";
+    $g_lang["no_enumeration"] = "Ingen numrering";
+    $g_lang["edit_edge_names"] = "Redigera kanttexter";
     $g_lang["enter_vertex_title"] = "Ange text";
     $g_lang["rename_vertex"] = "Byt namn på nod";
     $g_lang["rename_text"] = "Byt namn ";
diff --git a/lang/ua/home.php b/lang/ua/home.php
index d893829..ff39669 100644
--- a/lang/ua/home.php
+++ b/lang/ua/home.php
@@ -179,6 +179,9 @@
     $g_lang["graph_is_multi_message"]   = "Мультиграф не підтримує всі алгоритми";
     $g_lang["graph_is_general_message"] = "";
     $g_lang["text_above_edge"] = "Текст над дугою";
+    $g_lang["edge_enumeration"] = "Нумерація дуг";
+    $g_lang["no_enumeration"] = "Без нумерації";
+    $g_lang["edit_edge_names"] = "Редагувати підписи дуг";
 
     $g_lang["select_groupe_mac"] = "Виділіть декілька обʼєктів використовуючи Cmd⌘.";
     $g_lang["select_groupe_win"] = "Виділіть декілька обʼєктів використовуючи Ctrl.";
diff --git a/script/entities/graph/model/Graph.js b/script/entities/graph/model/Graph.js
index bd24de2..5859658 100644
--- a/script/entities/graph/model/Graph.js
+++ b/script/entities/graph/model/Graph.js
@@ -869,7 +869,7 @@ Graph.prototype.TestIncidenceMatrix = function (matrix, rowsObj, colsObj, separa
 
 	if (bGoodFormat)
 	{
-		for (var i = 0; i < colsObj.cols[0].length; i++)
+		for (var i = 0; i < columnCount; i++)
 		{
 			var values = [];
 			for (j = 0; j < colsObj.cols.length; ++j)
@@ -908,7 +908,8 @@ Graph.prototype.SetIncidenceMatrix = function (matrix, viewportSize, currentEnum
 		}
 		var newVertices = [];
         var bWeightGraph = false;
-		for (var i = 0; i < cols[0].length; i++)
+		var columnCount = cols.length > 0 ? cols[0].length : 0;
+		for (var i = 0; i < columnCount; i++)
 		{
 			var edgeValue = [];
 			var edgeIndex = [];
@@ -965,17 +966,18 @@ Graph.prototype.SetIncidenceMatrix = function (matrix, viewportSize, currentEnum
                                });
         }
 
-		for (var i = cols.length; i < Math.max(this.vertices.length, cols.length); i++)
+		var rowCount = rows.length > 0 ? rows.length : this.vertices.length;
+		for (var i = rowCount; i < this.vertices.length; i++)
 		{
 			this.DeleteVertex(this.vertices[i]);
-			i--;             
+			i--;
 		}                        
 
           	this.VerticesReposition(viewportSize, newVertices);
 	}	
 }
 
-Graph.prototype.GetIncidenceMatrix = function ()
+Graph.prototype.GetIncidenceMatrix = function (res_columns_width)
 {
 	var matrix = "";
 	let cols_width = [];
@@ -1001,7 +1003,7 @@ Graph.prototype.GetIncidenceMatrix = function ()
 
 	for (var j = 0; j < this.edges.length; j++)
 	{
-		let max_width = 0;
+		let max_width = Math.min(this.edges[j].GetUpText().toString().length, 2);
 		for (var i = 0; i < this.vertices.length; i++)
 		{	
 			let str = "" + get_edge_weight_str(i, j);
@@ -1026,6 +1028,11 @@ Graph.prototype.GetIncidenceMatrix = function ()
 		matrix = matrix + "\n";
 	}
 	
+	if (res_columns_width !== undefined) {
+		res_columns_width.length = 0;
+		res_columns_width.push(...cols_width);
+	}
+	
 	return matrix;
 }
 
diff --git a/script/features/show_incidence_matrix/index.js b/script/features/show_incidence_matrix/index.js
index 94bbd71..e2fdcde 100644
--- a/script/features/show_incidence_matrix/index.js
+++ b/script/features/show_incidence_matrix/index.js
@@ -23,23 +23,45 @@ ShowIncidenceMatrix.prototype.show = function()
 {
 	var handler = this;
 	var dialogButtons = {};
-
-    $('#IncidenceMatrixField').unbind();
-	$( "#IncidenceMatrixField" ).on('keyup change', function (eventObject)
+	let edgeNames = this.app.graph.edges.map(function(edge) { return edge.GetUpText(); });
+	let edgeEnumSelect = $("#incidenceEdgeEnumeration");
+	let edgeNamesDialog = $("#incidenceEdgeNamesDialog");
+	let edgeNamesList = $("#incidenceEdgeNamesList");
+	let currentColumns = [];
+	let currentColumnWidths = [];
+	let matrixIsValid = false;
+	let edgeEnumValue = this.app.currentEnumEdgesType || "";
+	if (edgeEnumValue === "Custom")
+	{
+		edgeEnumValue = "";
+	}
+	let selectedEdgeEnumValue = edgeEnumValue;
+	edgeEnumSelect.find("option:not(:first)").remove();
+	this.app.GetEnumVerticesList().forEach(function(item) {
+		if (item.value !== "Custom")
 		{
-			if (!handler.app.TestIncidenceMatrix($( "#IncidenceMatrixField" ).val(), [], []))
-			{
-				$( "#BadIncidenceMatrixFormatMessage" ).show();
-			}
-			else
-			{
-				$( "#BadIncidenceMatrixFormatMessage" ).hide();
-			}
-		});
+			edgeEnumSelect.append($("<option>", { value: item.value, text: item.text }));
+		}
+	});
+	edgeEnumSelect.val(edgeEnumValue);
+	$("#IncidenceMatrixField").off("keyup change input");
 
 	dialogButtons[g_save] = function() {
-                handler.app.PushToStack("IncidenceMatrixChanged");
-				handler.app.SetIncidenceMatrixSmart($( "#IncidenceMatrixField" ).val());
+				let matrix = ta.val();
+				let rows = {};
+				let columns = {};
+				let validIncidenceMatrix = handler.app.TestIncidenceMatrix(matrix, rows, columns);
+
+				handler.app.PushToStack("IncidenceMatrixChanged");
+				handler.app.SetIncidenceMatrixSmart(matrix);
+				if (validIncidenceMatrix)
+				{
+						handler.app.SetEnumEdgesType(selectedEdgeEnumValue);
+					handler.app.graph.edges.forEach(function(edge, edgeIndex) {
+						edge.SetUpText(edgeNames[edgeIndex] || "");
+					});
+					handler.app.redrawGraph();
+				}
 				$( this ).dialog( "close" );					
 			};
 	dialogButtons[g_cancel] = function() {
@@ -47,13 +69,16 @@ ShowIncidenceMatrix.prototype.show = function()
 			};
 
 	let ta = $("#IncidenceMatrixField");
+	let topWrap = $("#incidenceMatrix_top_text");
 	let sideWrap = $("#incidenceMatrix_side_text");
+	let incidenceMatrix = this.app.GetIncidenceMatrix();
 
 	ta.on("scroll", function() {
+		topWrap.scrollLeft(ta.scrollLeft());
 		sideWrap.scrollTop(ta.scrollTop());
 	});
 
-	$( "#IncidenceMatrixField" ).val(this.app.GetIncidenceMatrix().trimEnd());	
+	$( "#IncidenceMatrixField" ).val(incidenceMatrix.trimEnd());	
 	ta.focus()[0].setSelectionRange(0, 0);
 
 	$( "#BadIncidenceMatrixFormatMessage" ).hide();
@@ -67,6 +92,138 @@ ShowIncidenceMatrix.prototype.show = function()
 	}
 	$("#incidenceMatrix_side_text_text").html(sideText + "\n");
 
+	let topText = $("#incidenceMatrix_top_text_text");
+	let renderEdgeNames = function(columns) {
+		topText.empty();
+		let columnCount = columns.length > 0 ? columns[0].length : 0;
+		for (let edgeIndex = 0; edgeIndex < columnCount; edgeIndex++)
+		{
+			let edgeName = (edgeNames[edgeIndex] || "").slice(0, 2);
+			let columnWidth = Math.max(1, edgeName.length, currentColumnWidths[edgeIndex] || 0);
+			for (let rowIndex = 0; rowIndex < columns.length; rowIndex++)
+			{
+				columnWidth = Math.max(columnWidth, String(columns[rowIndex][edgeIndex]).trim().length);
+			}
+			topText.append(document.createTextNode(edgeName.slice(0, columnWidth).padStart(columnWidth, " ")));
+			if (edgeIndex < columnCount - 1)
+			{
+				topText.append(document.createTextNode("  "));
+			}
+		}
+	};
+	let getMatrixColumnWidths = function(matrix, columnCount) {
+		let widths = Array(columnCount).fill(1);
+		let rows = matrix.split(/\r?\n/).filter(function(row) { return row.trim().length > 0; });
+		rows.forEach(function(row) {
+			let cells = row.split(",");
+			if (cells.length !== columnCount)
+			{
+				return;
+			}
+			cells.forEach(function(cell, columnIndex) {
+				let cellWidth = cell.length;
+				if (columnIndex > 0 && cell.startsWith(" "))
+				{
+					cellWidth--;
+				}
+				widths[columnIndex] = Math.max(widths[columnIndex], cellWidth);
+			});
+		});
+		return widths;
+	};
+	let getEdgeEnumType = function(value) {
+		return handler.app.enumVerticesTextList.find(function(enumType) {
+			return enumType.GetValue() === value && value !== "Custom";
+		});
+	};
+	let applyEdgeEnumeration = function(value) {
+		if (!matrixIsValid)
+		{
+			return;
+		}
+		selectedEdgeEnumValue = value;
+		let enumType = getEdgeEnumType(value);
+		for (let edgeIndex = 0; edgeIndex < edgeNames.length; edgeIndex++)
+		{
+			edgeNames[edgeIndex] = enumType ? enumType.GetVertexText(edgeIndex).toString() : "";
+		}
+		renderEdgeNames(currentColumns);
+	};
+
+	edgeEnumSelect.off("change").on("change", function() {
+		applyEdgeEnumeration($(this).val());
+	});
+
+	$("#editIncidenceEdgeNames").off("click").on("click", function() {
+		if (!matrixIsValid)
+		{
+			return;
+		}
+		edgeNamesList.val(edgeNames.join("\n"));
+		edgeNamesDialog.dialog("open");
+	});
+
+	edgeNamesDialog.dialog({
+		autoOpen: false,
+		modal: true,
+		resizable: false,
+		width: "auto",
+		title: $("#EdgeLabel").text().trim(),
+		buttons: {
+			[g_save]: function() {
+				let editedNames = edgeNamesList.val().split(/\r?\n/);
+				edgeNames = Array.from({ length: edgeNames.length }, function(_, index) {
+					return editedNames[index] || "";
+				});
+				renderEdgeNames(currentColumns);
+				$(this).dialog("close");
+			},
+			[g_cancel]: function() {
+				$(this).dialog("close");
+			}
+		},
+		dialogClass: 'EdgeDialog'
+	});
+
+	let updateMatrixState = function() {
+		let rows = {};
+		let columns = {};
+		let isValid = handler.app.TestIncidenceMatrix(ta.val(), rows, columns);
+		if (isValid)
+		{
+			let columnCount = columns.cols.length > 0 ? columns.cols[0].length : 0;
+			currentColumns = columns.cols;
+			currentColumnWidths = getMatrixColumnWidths(ta.val(), columnCount);
+			let enumType = getEdgeEnumType(selectedEdgeEnumValue);
+			if (columnCount < edgeNames.length)
+			{
+				edgeNames.length = columnCount;
+			}
+			else
+			{
+				for (let edgeIndex = edgeNames.length; edgeIndex < columnCount; edgeIndex++)
+				{
+					edgeNames.push(enumType ? enumType.GetVertexText(edgeIndex).toString() : "");
+				}
+			}
+			matrixIsValid = true;
+			edgeEnumSelect.prop("disabled", false);
+			$("#editIncidenceEdgeNames").prop("disabled", false);
+			$("#BadIncidenceMatrixFormatMessage").hide();
+			renderEdgeNames(columns.cols);
+		}
+		else
+		{
+			matrixIsValid = false;
+			edgeEnumSelect.prop("disabled", true);
+			$("#editIncidenceEdgeNames").prop("disabled", true);
+			$("#BadIncidenceMatrixFormatMessage").show();
+		}
+	};
+
+	ta.on("input", updateMatrixState);
+	updateMatrixState();
+
 	$( "#incidenceMatrix" ).dialog({
 		resizable: false,
         height: "auto",
@@ -77,7 +234,7 @@ ShowIncidenceMatrix.prototype.show = function()
 		dialogClass: 'EdgeDialog',
 		open: function(event, ui) {
 			/* Set width for side text */
-			$("#incidenceMatrix_top_text").width(ta.width());
+			topWrap.width(ta.width());
 			$("#BadIncidenceMatrixFormatMessage").width(ta.width());
 		}
 	});
diff --git a/script/pages/create_graph_by_edge_list/api/index.js.cache b/script/pages/create_graph_by_edge_list/api/index.js.cache
index ae99837..2e91dea 100644
--- a/script/pages/create_graph_by_edge_list/api/index.js.cache
+++ b/script/pages/create_graph_by_edge_list/api/index.js.cache
@@ -1,4 +1,4 @@
-moduleLoader.beginCacheLoading(["/script/entities/graph/api/index.js?v=109","/script/shared/point.js?v=109","/script/entities/edge/api/index.js?v=109","/script/entities/edge/model/BaseEdge.js?v=109","/script/entities/edge/model/EdgeModel.js?v=109","/script/entities/vertex/api/index.js?v=109","/script/entities/vertex/model/BaseVertex.js?v=109","/script/entities/vertex/model/VertexModel.js?v=109","/script/entities/graph/model/Graph.js?v=109",]);{let modulDir="pages/create_graph_by_edge_list/";doInclude([include("entities/graph/api/index.js")]);}
+moduleLoader.beginCacheLoading(["/script/entities/graph/api/index.js?v=110","/script/shared/point.js?v=110","/script/entities/edge/api/index.js?v=110","/script/entities/edge/model/BaseEdge.js?v=110","/script/entities/edge/model/EdgeModel.js?v=110","/script/entities/vertex/api/index.js?v=110","/script/entities/vertex/model/BaseVertex.js?v=110","/script/entities/vertex/model/VertexModel.js?v=110","/script/entities/graph/model/Graph.js?v=110",]);{let modulDir="pages/create_graph_by_edge_list/";doInclude([include("entities/graph/api/index.js")]);}
 {let modulDir="entities/graph/";doInclude([include("shared/point.js"),include("entities/edge/api/index.js"),include("entities/vertex/api/index.js"),include("model/Graph.js",modulDir)])}function Point(x,y){this.x=x||0;this.y=y||0;};Point.prototype.x=null;Point.prototype.y=null;Point.prototype.add=function(v){return new Point(this.x+v.x,this.y+v.y);};Point.prototype.addValue=function(v){return new Point(this.x+v,this.y+v);};Point.prototype.clone=function(){return new Point(this.x,this.y);};Point.prototype.degreesTo=function(v){var dx=this.x-v.x;var dy=this.y-v.y;var angle=Math.atan2(dy,dx);return angle*(180/Math.PI);};Point.prototype.distance=function(v){return Math.sqrt(this.distanceSqr(v));};Point.prototype.distanceSqr=function(v){var x=this.x-v.x;var y=this.y-v.y;return x*x+y*y;};Point.prototype.equals=function(toCompare){return this.x==toCompare.x&&this.y==toCompare.y;};Point.prototype.interpolate=function(v,f){return new Point((this.x+v.x)*f,(this.y+v.y)*f);};Point.prototype.length=function(){return Math.sqrt(this.x*this.x+this.y*this.y);};Point.prototype.normalize=function(thickness){var l=this.length();this.x=this.x/l*thickness;this.y=this.y/l*thickness;return new Point(this.x,this.y);};Point.prototype.normalizeCopy=function(thickness){var l=this.length();return new Point(this.x/l*thickness,this.y/l*thickness);};Point.prototype.orbit=function(origin,arcWidth,arcHeight,degrees){var radians=degrees*(Math.PI/180);this.x=origin.x+arcWidth*Math.cos(radians);this.y=origin.y+arcHeight*Math.sin(radians);};Point.prototype.rotate=function(center,degrees){var radians=degrees*(Math.PI/180);offset=this.subtract(center);this.x=offset.x*Math.cos(radians)-offset.y*Math.sin(radians);this.y=offset.x*Math.sin(radians)+offset.y*Math.cos(radians);this.x=this.x+center.x;this.y=this.y+center.y;return this;};Point.prototype.offset=function(dx,dy){this.x+=dx;this.y+=dy;};Point.prototype.subtract=function(v){return new Point(this.x-v.x,this.y-v.y);};Point.prototype.subtractValue=function(value){return new Point(this.x-value,this.y-value);};Point.prototype.multiply=function(value){return new Point(this.x*value,this.y*value);};Point.prototype.toString=function(){return"(x="+this.x+", y="+this.y+")";};Point.prototype.normal=function(){return new Point(-this.y,this.x);};Point.prototype.min=function(point)
 {return new Point(Math.min(this.x,point.x),Math.min(this.y,point.y));};Point.prototype.max=function(point)
 {return new Point(Math.max(this.x,point.x),Math.max(this.y,point.y));};Point.prototype.inverse=function()
@@ -452,7 +452,7 @@ if(i==0)
 if(colsObj.cols[i].length!=columnCount)
 {bGoodFormat=false;break;}}
 if(bGoodFormat)
-{for(var i=0;i<colsObj.cols[0].length;i++)
+{for(var i=0;i<columnCount;i++)
 {var values=[];for(j=0;j<colsObj.cols.length;++j)
 {if(colsObj.cols[j][i]!=0)
 {values.push(colsObj.cols[j][i]);}}
@@ -463,7 +463,7 @@ Graph.prototype.SetIncidenceMatrix=function(matrix,viewportSize,currentEnumVerti
 {var rowsObj={};var colsObj={};if(this.TestIncidenceMatrix(matrix,rowsObj,colsObj))
 {rows=rowsObj.rows;cols=colsObj.cols;var clonedEdge=this.edges.slice(0);for(var i=0;i<clonedEdge.length;i++)
 {this.DeleteEdge(clonedEdge[i]);}
-var newVertices=[];var bWeightGraph=false;for(var i=0;i<cols[0].length;i++)
+var newVertices=[];var bWeightGraph=false;var columnCount=cols.length>0?cols[0].length:0;for(var i=0;i<columnCount;i++)
 {var edgeValue=[];var edgeIndex=[];for(var j=0;j<cols.length;j++)
 {if(j>=this.vertices.length)
 {var newPos=new Point(0,0);newVertices.push(new BaseVertex(newPos.x,newPos.y,currentEnumVerticesType));this.AddNewVertex(newVertices[newVertices.length-1]);}
@@ -479,10 +479,10 @@ var nEdgeIndex=this.AddNewEdgeSafe(this.vertices[edgeIndex[0]],this.vertices[edg
 {bWeightGraph=bWeightGraph||this.edges[nEdgeIndex].weight!=1;}}}
 if(!bWeightGraph)
 {this.edges.forEach(function(part,index,theArray){theArray[index].useWeight=false;});}
-for(var i=cols.length;i<Math.max(this.vertices.length,cols.length);i++)
+var rowCount=rows.length>0?rows.length:this.vertices.length;for(var i=rowCount;i<this.vertices.length;i++)
 {this.DeleteVertex(this.vertices[i]);i--;}
 this.VerticesReposition(viewportSize,newVertices);}}
-Graph.prototype.GetIncidenceMatrix=function()
+Graph.prototype.GetIncidenceMatrix=function(res_columns_width)
 {var matrix="";let cols_width=[];let get_edge_weight_str=(vertex_index,edge_index)=>{if(this.edges[edge_index].vertex1==this.vertices[vertex_index])
 {return this.edges[edge_index].weight.toString();}
 else if(this.edges[edge_index].vertex2==this.vertices[vertex_index]&&!this.edges[edge_index].isDirect)
@@ -491,7 +491,7 @@ else if(this.edges[edge_index].vertex2==this.vertices[vertex_index]&&this.edges[
 {return-this.edges[edge_index].weight.toString();}
 else
 {return"0";}};for(var j=0;j<this.edges.length;j++)
-{let max_width=0;for(var i=0;i<this.vertices.length;i++)
+{let max_width=Math.min(this.edges[j].GetUpText().toString().length,2);for(var i=0;i<this.vertices.length;i++)
 {let str=""+get_edge_weight_str(i,j);max_width=Math.max(max_width,str.length);}
 cols_width.push(max_width);}
 for(var i=0;i<this.vertices.length;i++)
@@ -499,6 +499,7 @@ for(var i=0;i<this.vertices.length;i++)
 {let weight_str=get_edge_weight_str(i,j);weight_str=" ".repeat(cols_width[j]-weight_str.length)+weight_str;matrix+=""+weight_str;if(j!=this.edges.length-1)
 {matrix+=", ";}}
 matrix=matrix+"\n";}
+if(res_columns_width!==undefined){res_columns_width.length=0;res_columns_width.push(...cols_width);}
 return matrix;}
 Graph.prototype.SplitMatrixString=function(line,separator)
 {if(separator===undefined)
diff --git a/script/pages/create_graph_by_incidence_matrix/api/index.js.cache b/script/pages/create_graph_by_incidence_matrix/api/index.js.cache
index 0f7edae..d2d3943 100644
--- a/script/pages/create_graph_by_incidence_matrix/api/index.js.cache
+++ b/script/pages/create_graph_by_incidence_matrix/api/index.js.cache
@@ -1,4 +1,4 @@
-moduleLoader.beginCacheLoading(["/script/entities/graph/api/index.js?v=109","/script/shared/point.js?v=109","/script/entities/edge/api/index.js?v=109","/script/entities/edge/model/BaseEdge.js?v=109","/script/entities/edge/model/EdgeModel.js?v=109","/script/entities/vertex/api/index.js?v=109","/script/entities/vertex/model/BaseVertex.js?v=109","/script/entities/vertex/model/VertexModel.js?v=109","/script/entities/graph/model/Graph.js?v=109",]);{let modulDir="pages/create_graph_by_matrix/";doInclude([include("entities/graph/api/index.js")]);}
+moduleLoader.beginCacheLoading(["/script/entities/graph/api/index.js?v=110","/script/shared/point.js?v=110","/script/entities/edge/api/index.js?v=110","/script/entities/edge/model/BaseEdge.js?v=110","/script/entities/edge/model/EdgeModel.js?v=110","/script/entities/vertex/api/index.js?v=110","/script/entities/vertex/model/BaseVertex.js?v=110","/script/entities/vertex/model/VertexModel.js?v=110","/script/entities/graph/model/Graph.js?v=110",]);{let modulDir="pages/create_graph_by_matrix/";doInclude([include("entities/graph/api/index.js")]);}
 {let modulDir="entities/graph/";doInclude([include("shared/point.js"),include("entities/edge/api/index.js"),include("entities/vertex/api/index.js"),include("model/Graph.js",modulDir)])}function Point(x,y){this.x=x||0;this.y=y||0;};Point.prototype.x=null;Point.prototype.y=null;Point.prototype.add=function(v){return new Point(this.x+v.x,this.y+v.y);};Point.prototype.addValue=function(v){return new Point(this.x+v,this.y+v);};Point.prototype.clone=function(){return new Point(this.x,this.y);};Point.prototype.degreesTo=function(v){var dx=this.x-v.x;var dy=this.y-v.y;var angle=Math.atan2(dy,dx);return angle*(180/Math.PI);};Point.prototype.distance=function(v){return Math.sqrt(this.distanceSqr(v));};Point.prototype.distanceSqr=function(v){var x=this.x-v.x;var y=this.y-v.y;return x*x+y*y;};Point.prototype.equals=function(toCompare){return this.x==toCompare.x&&this.y==toCompare.y;};Point.prototype.interpolate=function(v,f){return new Point((this.x+v.x)*f,(this.y+v.y)*f);};Point.prototype.length=function(){return Math.sqrt(this.x*this.x+this.y*this.y);};Point.prototype.normalize=function(thickness){var l=this.length();this.x=this.x/l*thickness;this.y=this.y/l*thickness;return new Point(this.x,this.y);};Point.prototype.normalizeCopy=function(thickness){var l=this.length();return new Point(this.x/l*thickness,this.y/l*thickness);};Point.prototype.orbit=function(origin,arcWidth,arcHeight,degrees){var radians=degrees*(Math.PI/180);this.x=origin.x+arcWidth*Math.cos(radians);this.y=origin.y+arcHeight*Math.sin(radians);};Point.prototype.rotate=function(center,degrees){var radians=degrees*(Math.PI/180);offset=this.subtract(center);this.x=offset.x*Math.cos(radians)-offset.y*Math.sin(radians);this.y=offset.x*Math.sin(radians)+offset.y*Math.cos(radians);this.x=this.x+center.x;this.y=this.y+center.y;return this;};Point.prototype.offset=function(dx,dy){this.x+=dx;this.y+=dy;};Point.prototype.subtract=function(v){return new Point(this.x-v.x,this.y-v.y);};Point.prototype.subtractValue=function(value){return new Point(this.x-value,this.y-value);};Point.prototype.multiply=function(value){return new Point(this.x*value,this.y*value);};Point.prototype.toString=function(){return"(x="+this.x+", y="+this.y+")";};Point.prototype.normal=function(){return new Point(-this.y,this.x);};Point.prototype.min=function(point)
 {return new Point(Math.min(this.x,point.x),Math.min(this.y,point.y));};Point.prototype.max=function(point)
 {return new Point(Math.max(this.x,point.x),Math.max(this.y,point.y));};Point.prototype.inverse=function()
@@ -452,7 +452,7 @@ if(i==0)
 if(colsObj.cols[i].length!=columnCount)
 {bGoodFormat=false;break;}}
 if(bGoodFormat)
-{for(var i=0;i<colsObj.cols[0].length;i++)
+{for(var i=0;i<columnCount;i++)
 {var values=[];for(j=0;j<colsObj.cols.length;++j)
 {if(colsObj.cols[j][i]!=0)
 {values.push(colsObj.cols[j][i]);}}
@@ -463,7 +463,7 @@ Graph.prototype.SetIncidenceMatrix=function(matrix,viewportSize,currentEnumVerti
 {var rowsObj={};var colsObj={};if(this.TestIncidenceMatrix(matrix,rowsObj,colsObj))
 {rows=rowsObj.rows;cols=colsObj.cols;var clonedEdge=this.edges.slice(0);for(var i=0;i<clonedEdge.length;i++)
 {this.DeleteEdge(clonedEdge[i]);}
-var newVertices=[];var bWeightGraph=false;for(var i=0;i<cols[0].length;i++)
+var newVertices=[];var bWeightGraph=false;var columnCount=cols.length>0?cols[0].length:0;for(var i=0;i<columnCount;i++)
 {var edgeValue=[];var edgeIndex=[];for(var j=0;j<cols.length;j++)
 {if(j>=this.vertices.length)
 {var newPos=new Point(0,0);newVertices.push(new BaseVertex(newPos.x,newPos.y,currentEnumVerticesType));this.AddNewVertex(newVertices[newVertices.length-1]);}
@@ -479,10 +479,10 @@ var nEdgeIndex=this.AddNewEdgeSafe(this.vertices[edgeIndex[0]],this.vertices[edg
 {bWeightGraph=bWeightGraph||this.edges[nEdgeIndex].weight!=1;}}}
 if(!bWeightGraph)
 {this.edges.forEach(function(part,index,theArray){theArray[index].useWeight=false;});}
-for(var i=cols.length;i<Math.max(this.vertices.length,cols.length);i++)
+var rowCount=rows.length>0?rows.length:this.vertices.length;for(var i=rowCount;i<this.vertices.length;i++)
 {this.DeleteVertex(this.vertices[i]);i--;}
 this.VerticesReposition(viewportSize,newVertices);}}
-Graph.prototype.GetIncidenceMatrix=function()
+Graph.prototype.GetIncidenceMatrix=function(res_columns_width)
 {var matrix="";let cols_width=[];let get_edge_weight_str=(vertex_index,edge_index)=>{if(this.edges[edge_index].vertex1==this.vertices[vertex_index])
 {return this.edges[edge_index].weight.toString();}
 else if(this.edges[edge_index].vertex2==this.vertices[vertex_index]&&!this.edges[edge_index].isDirect)
@@ -491,7 +491,7 @@ else if(this.edges[edge_index].vertex2==this.vertices[vertex_index]&&this.edges[
 {return-this.edges[edge_index].weight.toString();}
 else
 {return"0";}};for(var j=0;j<this.edges.length;j++)
-{let max_width=0;for(var i=0;i<this.vertices.length;i++)
+{let max_width=Math.min(this.edges[j].GetUpText().toString().length,2);for(var i=0;i<this.vertices.length;i++)
 {let str=""+get_edge_weight_str(i,j);max_width=Math.max(max_width,str.length);}
 cols_width.push(max_width);}
 for(var i=0;i<this.vertices.length;i++)
@@ -499,6 +499,7 @@ for(var i=0;i<this.vertices.length;i++)
 {let weight_str=get_edge_weight_str(i,j);weight_str=" ".repeat(cols_width[j]-weight_str.length)+weight_str;matrix+=""+weight_str;if(j!=this.edges.length-1)
 {matrix+=", ";}}
 matrix=matrix+"\n";}
+if(res_columns_width!==undefined){res_columns_width.length=0;res_columns_width.push(...cols_width);}
 return matrix;}
 Graph.prototype.SplitMatrixString=function(line,separator)
 {if(separator===undefined)
diff --git a/script/pages/create_graph_by_matrix/api/index.js.cache b/script/pages/create_graph_by_matrix/api/index.js.cache
index 122b2a3..f2b8017 100644
--- a/script/pages/create_graph_by_matrix/api/index.js.cache
+++ b/script/pages/create_graph_by_matrix/api/index.js.cache
@@ -1,4 +1,4 @@
-moduleLoader.beginCacheLoading(["/script/entities/graph/api/index.js?v=109","/script/shared/point.js?v=109","/script/entities/edge/api/index.js?v=109","/script/entities/edge/model/BaseEdge.js?v=109","/script/entities/edge/model/EdgeModel.js?v=109","/script/entities/vertex/api/index.js?v=109","/script/entities/vertex/model/BaseVertex.js?v=109","/script/entities/vertex/model/VertexModel.js?v=109","/script/entities/graph/model/Graph.js?v=109","/script/pages/create_graph_by_matrix/model/createByMatrixMain.js?v=109","/script/pages/create_graph_by_matrix/model/main.js?v=109",]);{let modulDir="pages/create_graph_by_matrix/";doInclude([include("entities/graph/api/index.js"),include("model/createByMatrixMain.js",modulDir),include("model/main.js",modulDir)]);}
+moduleLoader.beginCacheLoading(["/script/entities/graph/api/index.js?v=110","/script/shared/point.js?v=110","/script/entities/edge/api/index.js?v=110","/script/entities/edge/model/BaseEdge.js?v=110","/script/entities/edge/model/EdgeModel.js?v=110","/script/entities/vertex/api/index.js?v=110","/script/entities/vertex/model/BaseVertex.js?v=110","/script/entities/vertex/model/VertexModel.js?v=110","/script/entities/graph/model/Graph.js?v=110","/script/pages/create_graph_by_matrix/model/createByMatrixMain.js?v=110","/script/pages/create_graph_by_matrix/model/main.js?v=110",]);{let modulDir="pages/create_graph_by_matrix/";doInclude([include("entities/graph/api/index.js"),include("model/createByMatrixMain.js",modulDir),include("model/main.js",modulDir)]);}
 {let modulDir="entities/graph/";doInclude([include("shared/point.js"),include("entities/edge/api/index.js"),include("entities/vertex/api/index.js"),include("model/Graph.js",modulDir)])}function Point(x,y){this.x=x||0;this.y=y||0;};Point.prototype.x=null;Point.prototype.y=null;Point.prototype.add=function(v){return new Point(this.x+v.x,this.y+v.y);};Point.prototype.addValue=function(v){return new Point(this.x+v,this.y+v);};Point.prototype.clone=function(){return new Point(this.x,this.y);};Point.prototype.degreesTo=function(v){var dx=this.x-v.x;var dy=this.y-v.y;var angle=Math.atan2(dy,dx);return angle*(180/Math.PI);};Point.prototype.distance=function(v){return Math.sqrt(this.distanceSqr(v));};Point.prototype.distanceSqr=function(v){var x=this.x-v.x;var y=this.y-v.y;return x*x+y*y;};Point.prototype.equals=function(toCompare){return this.x==toCompare.x&&this.y==toCompare.y;};Point.prototype.interpolate=function(v,f){return new Point((this.x+v.x)*f,(this.y+v.y)*f);};Point.prototype.length=function(){return Math.sqrt(this.x*this.x+this.y*this.y);};Point.prototype.normalize=function(thickness){var l=this.length();this.x=this.x/l*thickness;this.y=this.y/l*thickness;return new Point(this.x,this.y);};Point.prototype.normalizeCopy=function(thickness){var l=this.length();return new Point(this.x/l*thickness,this.y/l*thickness);};Point.prototype.orbit=function(origin,arcWidth,arcHeight,degrees){var radians=degrees*(Math.PI/180);this.x=origin.x+arcWidth*Math.cos(radians);this.y=origin.y+arcHeight*Math.sin(radians);};Point.prototype.rotate=function(center,degrees){var radians=degrees*(Math.PI/180);offset=this.subtract(center);this.x=offset.x*Math.cos(radians)-offset.y*Math.sin(radians);this.y=offset.x*Math.sin(radians)+offset.y*Math.cos(radians);this.x=this.x+center.x;this.y=this.y+center.y;return this;};Point.prototype.offset=function(dx,dy){this.x+=dx;this.y+=dy;};Point.prototype.subtract=function(v){return new Point(this.x-v.x,this.y-v.y);};Point.prototype.subtractValue=function(value){return new Point(this.x-value,this.y-value);};Point.prototype.multiply=function(value){return new Point(this.x*value,this.y*value);};Point.prototype.toString=function(){return"(x="+this.x+", y="+this.y+")";};Point.prototype.normal=function(){return new Point(-this.y,this.x);};Point.prototype.min=function(point)
 {return new Point(Math.min(this.x,point.x),Math.min(this.y,point.y));};Point.prototype.max=function(point)
 {return new Point(Math.max(this.x,point.x),Math.max(this.y,point.y));};Point.prototype.inverse=function()
@@ -452,7 +452,7 @@ if(i==0)
 if(colsObj.cols[i].length!=columnCount)
 {bGoodFormat=false;break;}}
 if(bGoodFormat)
-{for(var i=0;i<colsObj.cols[0].length;i++)
+{for(var i=0;i<columnCount;i++)
 {var values=[];for(j=0;j<colsObj.cols.length;++j)
 {if(colsObj.cols[j][i]!=0)
 {values.push(colsObj.cols[j][i]);}}
@@ -463,7 +463,7 @@ Graph.prototype.SetIncidenceMatrix=function(matrix,viewportSize,currentEnumVerti
 {var rowsObj={};var colsObj={};if(this.TestIncidenceMatrix(matrix,rowsObj,colsObj))
 {rows=rowsObj.rows;cols=colsObj.cols;var clonedEdge=this.edges.slice(0);for(var i=0;i<clonedEdge.length;i++)
 {this.DeleteEdge(clonedEdge[i]);}
-var newVertices=[];var bWeightGraph=false;for(var i=0;i<cols[0].length;i++)
+var newVertices=[];var bWeightGraph=false;var columnCount=cols.length>0?cols[0].length:0;for(var i=0;i<columnCount;i++)
 {var edgeValue=[];var edgeIndex=[];for(var j=0;j<cols.length;j++)
 {if(j>=this.vertices.length)
 {var newPos=new Point(0,0);newVertices.push(new BaseVertex(newPos.x,newPos.y,currentEnumVerticesType));this.AddNewVertex(newVertices[newVertices.length-1]);}
@@ -479,10 +479,10 @@ var nEdgeIndex=this.AddNewEdgeSafe(this.vertices[edgeIndex[0]],this.vertices[edg
 {bWeightGraph=bWeightGraph||this.edges[nEdgeIndex].weight!=1;}}}
 if(!bWeightGraph)
 {this.edges.forEach(function(part,index,theArray){theArray[index].useWeight=false;});}
-for(var i=cols.length;i<Math.max(this.vertices.length,cols.length);i++)
+var rowCount=rows.length>0?rows.length:this.vertices.length;for(var i=rowCount;i<this.vertices.length;i++)
 {this.DeleteVertex(this.vertices[i]);i--;}
 this.VerticesReposition(viewportSize,newVertices);}}
-Graph.prototype.GetIncidenceMatrix=function()
+Graph.prototype.GetIncidenceMatrix=function(res_columns_width)
 {var matrix="";let cols_width=[];let get_edge_weight_str=(vertex_index,edge_index)=>{if(this.edges[edge_index].vertex1==this.vertices[vertex_index])
 {return this.edges[edge_index].weight.toString();}
 else if(this.edges[edge_index].vertex2==this.vertices[vertex_index]&&!this.edges[edge_index].isDirect)
@@ -491,7 +491,7 @@ else if(this.edges[edge_index].vertex2==this.vertices[vertex_index]&&this.edges[
 {return-this.edges[edge_index].weight.toString();}
 else
 {return"0";}};for(var j=0;j<this.edges.length;j++)
-{let max_width=0;for(var i=0;i<this.vertices.length;i++)
+{let max_width=Math.min(this.edges[j].GetUpText().toString().length,2);for(var i=0;i<this.vertices.length;i++)
 {let str=""+get_edge_weight_str(i,j);max_width=Math.max(max_width,str.length);}
 cols_width.push(max_width);}
 for(var i=0;i<this.vertices.length;i++)
@@ -499,6 +499,7 @@ for(var i=0;i<this.vertices.length;i++)
 {let weight_str=get_edge_weight_str(i,j);weight_str=" ".repeat(cols_width[j]-weight_str.length)+weight_str;matrix+=""+weight_str;if(j!=this.edges.length-1)
 {matrix+=", ";}}
 matrix=matrix+"\n";}
+if(res_columns_width!==undefined){res_columns_width.length=0;res_columns_width.push(...cols_width);}
 return matrix;}
 Graph.prototype.SplitMatrixString=function(line,separator)
 {if(separator===undefined)
diff --git a/script/pages/editor/api/index.js.cache b/script/pages/editor/api/index.js.cache
index 4e6b786..e27405f 100644
--- a/script/pages/editor/api/index.js.cache
+++ b/script/pages/editor/api/index.js.cache
@@ -1,4 +1,4 @@
-moduleLoader.beginCacheLoading(["/script/shared/utils.js?v=109","/script/shared/gzip.js?v=109","/script/entities/graph/api/index.js?v=109","/script/shared/point.js?v=109","/script/entities/edge/api/index.js?v=109","/script/entities/edge/model/BaseEdge.js?v=109","/script/entities/edge/model/EdgeModel.js?v=109","/script/entities/vertex/api/index.js?v=109","/script/entities/vertex/model/BaseVertex.js?v=109","/script/entities/vertex/model/VertexModel.js?v=109","/script/entities/graph/model/Graph.js?v=109","/script/features/draw_graph/api/index.js?v=109","/script/features/draw_graph/model/BaseBackgroundDrawer.js?v=109","/script/features/draw_graph/model/BackgroundStyle.js?v=109","/script/features/draw_graph/model/EdgeStyle.js?v=109","/script/features/draw_graph/model/BaseEdgeDrawer.js?v=109","/script/features/draw_graph/model/VertexShape.js?v=109","/script/features/draw_graph/model/VertexStyle.js?v=109","/script/features/draw_graph/model/VertexOldStyle.js?v=109","/script/features/draw_graph/model/VertexPrintStyle.js?v=109","/script/features/draw_graph/model/OldEdgeStyle.js?v=109","/script/features/draw_graph/model/PrintEdgeStyle.js?v=109","/script/features/draw_graph/model/VertexNewWhiteStyle.js?v=109","/script/features/draw_graph/model/EdgeNewWhiteStyle.js?v=109","/script/features/draw_graph/model/EdgeNewNightStyle.js?v=109","/script/features/draw_graph/model/VertexNewNightStyle.js?v=109","/script/features/draw_graph/model/EdgeContrastStyle.js?v=109","/script/features/draw_graph/model/VertexContrastStyle.js?v=109","/script/features/draw_graph/model/BaseVertexDrawer.js?v=109","/script/features/draw_graph/model/GraphFullStyle.js?v=109","/script/features/algorithms/api/index.js?v=109","/script/features/algorithms/model/Algorithms.js?v=109","/script/features/algorithms/model/BaseTraversal.js?v=109","/script/features/base_handler/index.js?v=109","/script/features/default_handler/index.js?v=109","/script/features/add_vertices_handler/index.js?v=109","/script/features/connect_vertices_handler/index.js?v=109","/script/features/delete_objects_handler/index.js?v=109","/script/features/algorithm_handler/index.js?v=109","/script/features/select_auto_save_graph_or_not/index.js?v=109","/script/features/graph_preview/index.js?v=109","/script/features/serialization/api/index.js?v=109","/script/features/serialization/model/GraphMLCreator.js?v=109","/script/features/enum_vertices/EnumVertices.js?v=109","/script/pages/editor/model/texts.js?v=109","/script/pages/editor/model/UndoStack.js?v=109","/script/pages/editor/model/DiskSaveLoad.js?v=109","/script/pages/editor/model/Application.js?v=109","/script/pages/editor/ui/ya_metrika.js?v=109","/script/pages/editor/ui/editor.js?v=109","/script/pages/editor/ui/main.js?v=109",]);{function onloadEditor(){console.log("onload() call");doIncludeAsync([include("shared/canvas2svg.min.js"),include("features/group_rename_handler/index.js"),include("features/saved_graph_handler/index.js"),include("features/saved_graph_image_handler/index.js"),include("features/show_adjacency_matrix/index.js"),include("features/show_distance_matrix/index.js"),include("features/show_incidence_matrix/index.js"),include("features/setup_background_style/index.js"),include("features/setup_edge_style/index.js"),include("features/setup_vertex_style/index.js"),]);postLoadPage();}
+moduleLoader.beginCacheLoading(["/script/shared/utils.js?v=110","/script/shared/gzip.js?v=110","/script/entities/graph/api/index.js?v=110","/script/shared/point.js?v=110","/script/entities/edge/api/index.js?v=110","/script/entities/edge/model/BaseEdge.js?v=110","/script/entities/edge/model/EdgeModel.js?v=110","/script/entities/vertex/api/index.js?v=110","/script/entities/vertex/model/BaseVertex.js?v=110","/script/entities/vertex/model/VertexModel.js?v=110","/script/entities/graph/model/Graph.js?v=110","/script/features/draw_graph/api/index.js?v=110","/script/features/draw_graph/model/BaseBackgroundDrawer.js?v=110","/script/features/draw_graph/model/BackgroundStyle.js?v=110","/script/features/draw_graph/model/EdgeStyle.js?v=110","/script/features/draw_graph/model/BaseEdgeDrawer.js?v=110","/script/features/draw_graph/model/VertexShape.js?v=110","/script/features/draw_graph/model/VertexStyle.js?v=110","/script/features/draw_graph/model/VertexOldStyle.js?v=110","/script/features/draw_graph/model/VertexPrintStyle.js?v=110","/script/features/draw_graph/model/OldEdgeStyle.js?v=110","/script/features/draw_graph/model/PrintEdgeStyle.js?v=110","/script/features/draw_graph/model/VertexNewWhiteStyle.js?v=110","/script/features/draw_graph/model/EdgeNewWhiteStyle.js?v=110","/script/features/draw_graph/model/EdgeNewNightStyle.js?v=110","/script/features/draw_graph/model/VertexNewNightStyle.js?v=110","/script/features/draw_graph/model/EdgeContrastStyle.js?v=110","/script/features/draw_graph/model/VertexContrastStyle.js?v=110","/script/features/draw_graph/model/BaseVertexDrawer.js?v=110","/script/features/draw_graph/model/GraphFullStyle.js?v=110","/script/features/algorithms/api/index.js?v=110","/script/features/algorithms/model/Algorithms.js?v=110","/script/features/algorithms/model/BaseTraversal.js?v=110","/script/features/base_handler/index.js?v=110","/script/features/default_handler/index.js?v=110","/script/features/add_vertices_handler/index.js?v=110","/script/features/connect_vertices_handler/index.js?v=110","/script/features/delete_objects_handler/index.js?v=110","/script/features/algorithm_handler/index.js?v=110","/script/features/select_auto_save_graph_or_not/index.js?v=110","/script/features/graph_preview/index.js?v=110","/script/features/serialization/api/index.js?v=110","/script/features/serialization/model/GraphMLCreator.js?v=110","/script/features/enum_vertices/EnumVertices.js?v=110","/script/pages/editor/model/texts.js?v=110","/script/pages/editor/model/UndoStack.js?v=110","/script/pages/editor/model/DiskSaveLoad.js?v=110","/script/pages/editor/model/Application.js?v=110","/script/pages/editor/ui/ya_metrika.js?v=110","/script/pages/editor/ui/editor.js?v=110","/script/pages/editor/ui/main.js?v=110",]);{function onloadEditor(){console.log("onload() call");doIncludeAsync([include("shared/canvas2svg.min.js"),include("features/group_rename_handler/index.js"),include("features/saved_graph_handler/index.js"),include("features/saved_graph_image_handler/index.js"),include("features/show_adjacency_matrix/index.js"),include("features/show_distance_matrix/index.js"),include("features/show_incidence_matrix/index.js"),include("features/setup_background_style/index.js"),include("features/setup_edge_style/index.js"),include("features/setup_vertex_style/index.js"),]);postLoadPage();}
 let modulDir="pages/editor/";doInclude([include("shared/utils.js"),include("shared/gzip.js"),include("entities/graph/api/index.js"),include("features/draw_graph/api/index.js"),include("features/algorithms/api/index.js"),include("features/base_handler/index.js"),include("features/default_handler/index.js"),include("features/add_vertices_handler/index.js"),include("features/connect_vertices_handler/index.js"),include("features/delete_objects_handler/index.js"),include("features/algorithm_handler/index.js"),include("features/select_auto_save_graph_or_not/index.js"),include("features/serialization/api/index.js"),include("features/enum_vertices/EnumVertices.js"),include("model/texts.js",modulDir),include("model/UndoStack.js",modulDir),include("model/DiskSaveLoad.js",modulDir),include("model/Application.js",modulDir),include("ui/ya_metrika.js",modulDir),include("ui/editor.js",modulDir),include("ui/main.js",modulDir)],onloadEditor);}
 function gEncodeToHTML(str)
 {if(typeof str!=='string')
@@ -487,7 +487,7 @@ if(i==0)
 if(colsObj.cols[i].length!=columnCount)
 {bGoodFormat=false;break;}}
 if(bGoodFormat)
-{for(var i=0;i<colsObj.cols[0].length;i++)
+{for(var i=0;i<columnCount;i++)
 {var values=[];for(j=0;j<colsObj.cols.length;++j)
 {if(colsObj.cols[j][i]!=0)
 {values.push(colsObj.cols[j][i]);}}
@@ -498,7 +498,7 @@ Graph.prototype.SetIncidenceMatrix=function(matrix,viewportSize,currentEnumVerti
 {var rowsObj={};var colsObj={};if(this.TestIncidenceMatrix(matrix,rowsObj,colsObj))
 {rows=rowsObj.rows;cols=colsObj.cols;var clonedEdge=this.edges.slice(0);for(var i=0;i<clonedEdge.length;i++)
 {this.DeleteEdge(clonedEdge[i]);}
-var newVertices=[];var bWeightGraph=false;for(var i=0;i<cols[0].length;i++)
+var newVertices=[];var bWeightGraph=false;var columnCount=cols.length>0?cols[0].length:0;for(var i=0;i<columnCount;i++)
 {var edgeValue=[];var edgeIndex=[];for(var j=0;j<cols.length;j++)
 {if(j>=this.vertices.length)
 {var newPos=new Point(0,0);newVertices.push(new BaseVertex(newPos.x,newPos.y,currentEnumVerticesType));this.AddNewVertex(newVertices[newVertices.length-1]);}
@@ -514,10 +514,10 @@ var nEdgeIndex=this.AddNewEdgeSafe(this.vertices[edgeIndex[0]],this.vertices[edg
 {bWeightGraph=bWeightGraph||this.edges[nEdgeIndex].weight!=1;}}}
 if(!bWeightGraph)
 {this.edges.forEach(function(part,index,theArray){theArray[index].useWeight=false;});}
-for(var i=cols.length;i<Math.max(this.vertices.length,cols.length);i++)
+var rowCount=rows.length>0?rows.length:this.vertices.length;for(var i=rowCount;i<this.vertices.length;i++)
 {this.DeleteVertex(this.vertices[i]);i--;}
 this.VerticesReposition(viewportSize,newVertices);}}
-Graph.prototype.GetIncidenceMatrix=function()
+Graph.prototype.GetIncidenceMatrix=function(res_columns_width)
 {var matrix="";let cols_width=[];let get_edge_weight_str=(vertex_index,edge_index)=>{if(this.edges[edge_index].vertex1==this.vertices[vertex_index])
 {return this.edges[edge_index].weight.toString();}
 else if(this.edges[edge_index].vertex2==this.vertices[vertex_index]&&!this.edges[edge_index].isDirect)
@@ -526,7 +526,7 @@ else if(this.edges[edge_index].vertex2==this.vertices[vertex_index]&&this.edges[
 {return-this.edges[edge_index].weight.toString();}
 else
 {return"0";}};for(var j=0;j<this.edges.length;j++)
-{let max_width=0;for(var i=0;i<this.vertices.length;i++)
+{let max_width=Math.min(this.edges[j].GetUpText().toString().length,2);for(var i=0;i<this.vertices.length;i++)
 {let str=""+get_edge_weight_str(i,j);max_width=Math.max(max_width,str.length);}
 cols_width.push(max_width);}
 for(var i=0;i<this.vertices.length;i++)
@@ -534,6 +534,7 @@ for(var i=0;i<this.vertices.length;i++)
 {let weight_str=get_edge_weight_str(i,j);weight_str=" ".repeat(cols_width[j]-weight_str.length)+weight_str;matrix+=""+weight_str;if(j!=this.edges.length-1)
 {matrix+=", ";}}
 matrix=matrix+"\n";}
+if(res_columns_width!==undefined){res_columns_width.length=0;res_columns_width.push(...cols_width);}
 return matrix;}
 Graph.prototype.SplitMatrixString=function(line,separator)
 {if(separator===undefined)
@@ -1638,7 +1639,7 @@ DiskSaveLoad.LoadAutoSaveGraphFromDisk=function(graphName,callback)
 DiskSaveLoad.RemoveAutoSaveGraphFromDisk=function(graphName,callback)
 {$.ajax({type:"GET",url:"/"+SiteDir+"backend/removeGraph.php?name=autosave_"+graphName}).done(callback);}
 var globalApplication=null;function Application(document,window,listener)
-{this.document=document;this.listener=listener;this.initCanvas();this.handler=new DefaultHandler(this);this.savedGraphName="";this.currentEnumVerticesType=new BaseEnumVertices(this,1);this.findPathReport=1;this.isTimerRender=false;globalApplication=this;this.renderPath=[];this.renderTimer=0;this.renderPathLength=0;this.renderPathCounter=0;this.renderPathLoops=0;this.enumVerticesTextList=[new BaseEnumVertices(this,1),new BaseEnumVertices(this,0),new TextEnumVertices(this),new TextEnumVerticesCyr(this),new TextEnumVerticesGreek(this),new TextEnumVerticesCustom(this)];this.algorithmsValues={};this.undoStack=new UndoStack(this.maxUndoStackSize);this.style=new GraphFullStyle(function()
+{this.document=document;this.listener=listener;this.initCanvas();this.handler=new DefaultHandler(this);this.savedGraphName="";this.currentEnumVerticesType=new BaseEnumVertices(this,1);this.currentEnumEdgesType="";this.findPathReport=1;this.isTimerRender=false;globalApplication=this;this.renderPath=[];this.renderTimer=0;this.renderPathLength=0;this.renderPathCounter=0;this.renderPathLoops=0;this.enumVerticesTextList=[new BaseEnumVertices(this,1),new BaseEnumVertices(this,0),new TextEnumVertices(this),new TextEnumVerticesCyr(this),new TextEnumVerticesGreek(this),new TextEnumVerticesCustom(this)];this.algorithmsValues={};this.undoStack=new UndoStack(this.maxUndoStackSize);this.style=new GraphFullStyle(function()
 {this.redrawGraph();}.bind(this));this.edgePrintCommonStyle=DefaultCommonPrintEdgeStyle();this.edgePrintSelectedStyles=FullArrayCopy(DefaultPrintSelectedEdgeStyles);this.vertexPrintCommonStyle=DefaultCommonPrintVertexStyle();this.vertexPrintSelectedVertexStyles=FullArrayCopy(DefaultPrintSelectedGraphStyles);this.backgroundPrintStyle=DefaultPrintBackgroundStyle();this.renderPathWithEdges=false;this.edgePresets=[1,3,5,7,11,42];this.maxEdgePresets=6;this.selectionRect=null;this.processEmscriptenFunction=null;this.defaultEdge=null;this.useDefaultEdge=false;this.lastSavedAutoSave="";this.lastGraphName="";this.lastUsedGraphs=[];};Application.prototype.graph=new Graph();Application.prototype.dragObject=-1;Application.prototype.handler=null;Application.prototype.status={};Application.prototype.graphNameLength=16;Application.prototype.maxUndoStackSize=8;Application.prototype.maxAutosaveSizeForCookie=2000;Application.prototype.autosaveTimeInterval=1000*60;Application.prototype.styliedGraphNamePostfix="ZZcst";Application.prototype.maxLastUsedGraphCount=5;Application.prototype.initCanvas=function()
 {this.canvas=this.document.getElementById('canvas');console.log(this.canvas.width,this.canvas.height);console.log(this.canvas.getBoundingClientRect());console.log(window.devicePixelRatio);this.SetDefaultTransformations();}
 Application.prototype.getMousePos=function(canvas,e)
@@ -1807,7 +1808,7 @@ Application.prototype.ToDefaultStateAndRedraw=function()
 Application.prototype.getParameterByName=function(name)
 {name=name.replace(/[\[]/,"\\[").replace(/[\]]/,"\\]");var regex=new RegExp("[\\?&]"+name+"=([^&#]*)"),results=regex.exec(location.search);return results===null?"":decodeURIComponent(results[1].replace(/\+/g," "));}
 Application.prototype.onPostLoadEvent=function()
-{this.SetEnumVerticesType(document.cookie.replace(/(?:(?:^|.*;\s*)enumType\s*\=\s*([^;]*).*$)|^.*$/,"$1"));var wasLoad=false;let startAutoSave=true;var matrix=document.getElementById("inputMatrix").innerHTML;var separator=document.getElementById("separator").innerHTML=="space"?" ":",";console.log(matrix);console.log("separator: \""+separator+"\"");matrix=(matrix.length<=0)?this.getParameterByName("matrix"):matrix;if(matrix.length>0)
+{this.SetEnumVerticesType(document.cookie.replace(/(?:(?:^|.*;\s*)enumType\s*\=\s*([^;]*).*$)|^.*$/,"$1"));var edgeEnumCookie=/(?:^|;\s*)edgeEnumType\s*=\s*([^;]*)/.exec(document.cookie);this.SetEnumEdgesType(edgeEnumCookie?edgeEnumCookie[1]:"");var wasLoad=false;let startAutoSave=true;var matrix=document.getElementById("inputMatrix").innerHTML;var separator=document.getElementById("separator").innerHTML=="space"?" ":",";console.log(matrix);console.log("separator: \""+separator+"\"");matrix=(matrix.length<=0)?this.getParameterByName("matrix"):matrix;if(matrix.length>0)
 {if(!this.SetAdjacencyMatrixSmart(matrix,separator))
 {userAction("AdjacencyMatrix.Failed");this.listener.ShowAdjacencyMatrixErrorDialog(matrix);}
 else
@@ -1863,8 +1864,8 @@ Application.prototype.SetPair=function(pair)
 {var res=true;var r={};var c={};if(!this.TestPair(pair))
 {$.get("/"+SiteDir+"backend/addFailedMatrix.php?text=pair&matrix="+encodeURIComponent(pair),function(data){;});res=false;}
 this.graph.SetPair(pair,new Point(this.GetRealWidth(),this.GetRealHeight()),this.currentEnumVerticesType);this.AutoAdjustViewport();this.redrawGraph();return res;}
-Application.prototype.GetIncidenceMatrix=function()
-{return this.graph.GetIncidenceMatrix();}
+Application.prototype.GetIncidenceMatrix=function(res_columns_width)
+{return this.graph.GetIncidenceMatrix(res_columns_width);}
 Application.prototype.TestIncidenceMatrix=function(matrix,rowsObj,colsObj)
 {return this.graph.TestIncidenceMatrix(matrix,rowsObj,colsObj);}
 Application.prototype.TestPair=function(pair)
@@ -1944,6 +1945,11 @@ Application.prototype.SetEnumVerticesType=function(value)
 {for(var i=0;i<this.enumVerticesTextList.length;i++)
 {if(this.enumVerticesTextList[i].GetValue()==value)
 {this.currentEnumVerticesType=this.enumVerticesTextList[i];document.cookie="enumType="+value;break;}}}
+Application.prototype.SetEnumEdgesType=function(value)
+{if(value==="Custom")
+{value="";}
+var isValidValue=value===""||this.enumVerticesTextList.some(function(enumType){return enumType.GetValue()===value&&value!=="Custom";});if(isValidValue)
+{this.currentEnumEdgesType=value;document.cookie="edgeEnumType="+value;}}
 Application.prototype.SetFindPathReport=function(value)
 {this.findPathReport=value;}
 Application.prototype.GetFindPathReport=function()
diff --git a/script/pages/editor/model/Application.js b/script/pages/editor/model/Application.js
index 837dc77..ee187d9 100644
--- a/script/pages/editor/model/Application.js
+++ b/script/pages/editor/model/Application.js
@@ -14,6 +14,7 @@ function Application(document, window, listener)
     this.handler = new DefaultHandler(this);
     this.savedGraphName = "";
     this.currentEnumVerticesType = new BaseEnumVertices(this, 1);//this.enumVerticesTextList[0];
+    this.currentEnumEdgesType = "";
     this.findPathReport = 1;
     this.isTimerRender = false;
     globalApplication  = this;
@@ -728,6 +729,8 @@ Application.prototype.getParameterByName = function (name)
 Application.prototype.onPostLoadEvent = function()
 {
     this.SetEnumVerticesType(document.cookie.replace(/(?:(?:^|.*;\s*)enumType\s*\=\s*([^;]*).*$)|^.*$/, "$1"));
+    var edgeEnumCookie = /(?:^|;\s*)edgeEnumType\s*=\s*([^;]*)/.exec(document.cookie);
+    this.SetEnumEdgesType(edgeEnumCookie ? edgeEnumCookie[1] : "");
 
     var wasLoad = false;
     let startAutoSave = true;
@@ -927,9 +930,9 @@ Application.prototype.SetPair = function (pair)
 	return res;
 }
 
-Application.prototype.GetIncidenceMatrix = function ()
+Application.prototype.GetIncidenceMatrix = function (res_columns_width)
 {
-	return this.graph.GetIncidenceMatrix();
+    return this.graph.GetIncidenceMatrix(res_columns_width);
 }
 
 Application.prototype.TestIncidenceMatrix = function (matrix, rowsObj, colsObj)
@@ -1218,6 +1221,23 @@ Application.prototype.SetEnumVerticesType = function(value)
 	}
 
 }
+
+Application.prototype.SetEnumEdgesType = function(value)
+{
+    if (value === "Custom")
+    {
+        value = "";
+    }
+
+    var isValidValue = value === "" || this.enumVerticesTextList.some(function(enumType) {
+        return enumType.GetValue() === value && value !== "Custom";
+    });
+    if (isValidValue)
+    {
+        this.currentEnumEdgesType = value;
+        document.cookie = "edgeEnumType=" + value;
+    }
+}
                          
 Application.prototype.SetFindPathReport = function (value)
 {
diff --git a/tpl/home.php b/tpl/home.php
index 7db4cec..1368299 100755
--- a/tpl/home.php
+++ b/tpl/home.php
@@ -445,6 +445,11 @@
 				
         <div class="matrix-wrapper">
 
+          <div class="corner"></div>
+          <div class="top-text-wrap" id="incidenceMatrix_top_text">
+            <div class="top-text" id="incidenceMatrix_top_text_text"></div>
+          </div>
+
           <div class="side-text-wrap" id="incidenceMatrix_side_text">
             <div class="side-text" id="incidenceMatrix_side_text_text"></div>
           </div>
@@ -452,11 +457,25 @@
           <textarea class="matrix" name="incidenceMatrixField" id="IncidenceMatrixField" wrap="off"></textarea>
         </div>
 
+        <div class="incidence-matrix-controls">
+          <label for="incidenceEdgeEnumeration"><?= L('edge_enumeration') ?></label>
+          <select id="incidenceEdgeEnumeration" class="form-select form-select-sm">
+            <option value=""><?= L('no_enumeration') ?></option>
+          </select>
+          <button type="button" id="editIncidenceEdgeNames" class="btn btn-outline-secondary btn-sm">
+            <span class="bi bi-pencil" aria-hidden="true"></span> <?= L('edit_edge_names') ?>
+          </button>
+        </div>
+
 				<p id="BadIncidenceMatrixFormatMessage"><?= L('incidence_matrix_bad_format')?></p>
 		</fieldset>
 		</form>
        </div>
-        
+
+    <div id="incidenceEdgeNamesDialog" style="display:none;">
+      <textarea id="incidenceEdgeNamesList" class="form-control" rows="8" wrap="off"></textarea>
+    </div>
+
 	<div id="floidMatrix">
 		<form>
 		<fieldset>