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Matrix

 Method with 2 overloads

• Matrix​(AngouriMath.​Entity[0:,​0:])

  Summary

  Creates an instance of Matrix.

  Parameter "values"

  A two-dimensional array of values.
  The first dimension is the row count, the second one is for columns.
  

  Returns

  A two-dimensional Matrix which is a matrix

  Example

  using System;
  using AngouriMath;
  using static AngouriMath.Entity;
  using static AngouriMath.MathS;
  
  var A = Matrix(new Entity[,]
      {
          { 1, 2, 3 },
          { 4, 5, 6 }
      }
  );
  Console.WriteLine(A.ToString(multilineFormat: true));
  
  var B = Vector(1, 2, 3, 4);
  Console.WriteLine(B.ToString(multilineFormat: true));
  
  Matrix C = @"
  [[1, 2],
   [3, 4],
   [5, 6]]
   ";
  Console.WriteLine(C.ToString(multilineFormat: true));
  
  Matrix D = "[1, 2, 3, 4]";
  Console.WriteLine(D.ToString(multilineFormat: true));

  
  Prints
  

  Matrix[2 x 3]
  1   2   3   
  4   5   6   
  Matrix[4 x 1]
  1   
  2   
  3   
  4   
  Matrix[3 x 2]
  1   2   
  3   4   
  5   6   
  Matrix[4 x 1]
  1   
  2   
  3   
  4

• Matrix​(System.​Int32,​System.​Int32,​System.​Func{System.​Int32,​System.​Int32,​AngouriMath.​Entity})

  Summary

  Creates an instance of matrix, where each cell's
  index is mapped to a value with the help of the
  mapping function.
  

  Parameter "rowCount"

  The number of rows (corresponds to the first index).
  

  Parameter "colCount"

  The number of columns (corresponds to the second index).
  

  Parameter "map"

  The first argument of the mapping function
  function is the index of row, the second one for the
  column index.
  
  Indexing starts from 0.
  

  Returns

  A newly created matrix of the given size.
  

  Example

  using System;
  using AngouriMath.Extensions;
  using static AngouriMath.MathS;
  
  var expr = "sin(x) + cos(y)";
  var vars = new[] { Var("x"), Var("y") };
  var A = Matrix(2, 2, (i1, i2) => expr
      .Differentiate(vars[i1])
      .Differentiate(vars[i2])
      .Simplify());
  Console.WriteLine(A.ToString(multilineFormat: true));
  
  Console.WriteLine(ZeroMatrix(3));
  Console.WriteLine(ZeroMatrix(3, 4));
  Console.WriteLine(ZeroVector(3));

  
  Prints
  

  Matrix[2 x 2]
  -sin(x)   0         
  0         -cos(y)   
  [[0, 0, 0], [0, 0, 0], [0, 0, 0]]
  [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]
  [0, 0, 0]