programming-examples/c-sharp/Matrix/C# Program to Perform Matrix Subtraction.cs

/*
 * C# Program to Perform Matrix Subtraction
 */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Program
{
class Program
{
    public static void Main(string[] args)
    {
        int m, n, i, j;
        Console.Write("Enter Number Of Rows And Columns Of Matrices A and B : ");
        m = Convert.ToInt16(Console.ReadLine());
        n = Convert.ToInt16(Console.ReadLine());
        int[,] A = new int[10, 10];
        Console.Write("\nEnter The First Matrix : ");
        for (i = 0; i < m; i++)
            {
                for (j = 0; j < n; j++)
                    {
                        A[i, j] = Convert.ToInt16(Console.ReadLine());
                    }
            }
        int[,] B = new int[10, 10];
        Console.Write("\nEnter The Second Matrix:");
        for (i = 0; i < m; i++)
            {
                for (j = 0; j < n; j++)
                    {
                        B[i, j] = Convert.ToInt16(Console.ReadLine());
                    }
            }
        Console.Clear();
        Console.WriteLine("\nMatrix A : ");
        for (i = 0; i < m; i++)
            {
                for (j = 0; j < n; j++)
                    {
                        Console.Write(A[i, j] + "\t");
                    }
                Console.WriteLine();
            }
        Console.WriteLine("\nMatrix B: ");
        for (i = 0; i < m; i++)
            {
                for (j = 0; j < n; j++)
                    {
                        Console.Write(B[i, j] + "\t");
                    }
                Console.WriteLine();
            }
        int[,] C = new int[10, 10];
        for (i = 0; i < m; i++)
            {
                for (j = 0; j < n; j++)
                    {
                        C[i, j] = A[i, j] - B[i, j];
                    }
            }
        Console.Write("\nDifference Matrix :");
        for (i = 0; i < m; i++)
            {
                for (j = 0; j < n; j++)
                    {
                        Console.Write(C[i, j] + "\t");
                    }
                Console.WriteLine();
            }
        Console.Read();
    }
}
}

/*
Enter Number Of Rows And Columns Of Matrices A and B : 3  3
Enter the First Matrix :
9 8 7
6 5 4
7 8 9
Enter the Second Matrix :
6 5 5
3 4 2
1 2 3
Matrix A :
9 8 7
6 5 4
7 8 9
Matrix B :
6 5 5
3 4 2
1 2 3
Difference Matrix :
3 3 2
3 1 2
6 6 6