Описать класс Матрица. Создать метод вычитания матриц (Перегруженный оператор "-"). В программе показать пример в C# (си шарп)

Using System;

using System. Collections. Generic;

public class Matrix

{

private double[,] Data;

public double this[int i, int j]

{

get { return Data[i, j]; }

set { Data[i, j] = value; }

}

public Matrix (double[,] data) { this. Data = data; }

public override string ToString ()

{

var sb = new System. Text. StringBuilder () ;

for (var i = Data. GetLowerBound (0) ; i < = Data. GetUpperBound (0) ; i++)

{

for (var j = Data. GetLowerBound (1) ; j < = Data. GetUpperBound (1) ; j++)

{

sb. AppendFormat ("{0} ", Data[i, j]) ;

}

sb. AppendLine () ;

}

return sb. ToString () ;

}

public int GetUpperBound (int i) = > this. Data. GetUpperBound (i) ;

public static Matrix operator - (Matrix a, Matrix b)

{

var c = new double[1 + Math. Min (a. GetUpperBound (0), b. GetUpperBound (0)), 1 + Math. Min (a. GetUpperBound (1), b. GetUpperBound (1)) ];

for (var i = 0; i < = c. GetUpperBound (0) ; i++)

{

for (var j = 0; j < = c. GetUpperBound (1) ; j++)

{

c[i, j] = a[i, j] - b[i, j];

}

};

return new Matrix (c) ;

}

}

class Program

{

static void Main ()

{

var n = 5;

var a = new Matrix (new double[n, n]) ;

var b = new Matrix (new double[n, n]) ;

for (var i = 0; i < n; i++)

{

for (var j = 0; j < n; j++)

{

a[i, j] = i + j;

b[i, j] = i;

}

}

Console. WriteLine (a) ;

Console. WriteLine (b) ;

Console. WriteLine (a - b) ;

Console. ReadKey () ;

}

}