graph

Esiur.Analysis/Esiur.Analysis.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>netstandard2.1</TargetFramework>

Esiur.Analysis/Graph/DirectedGraph.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Esiur.Analysis.Graph
+{
+    public class DirectedGraph <T>: IGraph
+    {
+        public Node<T>[] Nodes { get; set; }
+        public Edge<T>[] Edges { get; set; }
+
+
+
+    }
+}

Esiur.Analysis/Graph/Edge.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Esiur.Analysis.Graph
+{
+    public class Edge<T>
+    {
+        public T SourceNode { get; set; }
+        public T DestinationNode { get; set; }
+    }
+}

Esiur.Analysis/Graph/IGraph.cs

@@ -0,0 +1,10 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Esiur.Analysis.Graph
+{
+    public interface IGraph
+    {
+    }
+}

Esiur.Analysis/Graph/Node.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Esiur.Analysis.Graph
+{
+    public class Node<T>
+    {
+        public T Value { get; set; }
+
+        public int X { get; set; }
+        public int Y { get; set; }
+    }
+}

Esiur.Analysis/Graph/TransitionMatrix.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection.Metadata.Ecma335;
+using System.Security.Cryptography.X509Certificates;
+using System.Text;
+
+namespace Esiur.Analysis.Graph
+{
+    public class Matrix<T> where T : struct
+    {
+        internal T[,] value;
+
+        public int Rows => value.GetLength(0);
+        public int Columns => value.GetLength(1);
+
+        public T this[int x, int y] => value[x, y];
+
+        public Matrix(T[,] value)
+        {
+            this.value = value;
+        }
+
+        public static Matrix<T> Multiply<T>(Matrix<T> a, Matrix<T> b) where T:struct
+        {
+
+
+            if (a.Columns != b.Rows)
+                throw new ArgumentException("`a` rows do not match `b` columns.");
+
+
+            T[,] rt = new T[a.Rows, b.Columns];
+
+            for (int i = 0; i < a.Rows; i++)
+            { // aRow
+                for (int j = 0; j < b.Columns; j++)
+                { // bColumn
+                    for (int k = 0; k < a.Columns; k++)
+                    { // aColumn
+                        rt[i, j] += a[i, k] * b[k, j];
+                    }
+                }
+            }
+
+            return new Matrix<T>(rt);
+        }
+    }
+}