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This is a C# Program to find Sum of the elements of each column of the given matrix.

Here the sum of each column of the matrix is obtained by adding the elements of that corresponding column.

Here is source code of the C# Program to Find Sum of the Elements of each Column of the Given Matrix. The C# program is successfully compiled and executed with Microsoft Visual Studio. The program output is also shown below.

/*
 * C# Program to Find Sum of the Elements of each Column 
 * of the Given Matrix
 */
using System;
using System.Collections.Generic;
using System.Text;
namespace matrix_col
{
    class mat
    {
        int i, j, m, n;
        int[,] a = new int[20, 20];
        int[,] c = new int[20, 20];
        public void getmatrix()
        {
            Console.WriteLine("Enter the Number of Rows : ");
            m = int.Parse(Console.ReadLine());
            Console.WriteLine("Enter the Number of Columns : ");
            n = int.Parse(Console.ReadLine());
            Console.WriteLine("Enter the Elements");
            for (i = 1; i <= m; i++)
            {
                for (j = 1; j <= n; j++)
                {
                    a[i, j] = int.Parse(Console.ReadLine());
                }
            }
            Console.WriteLine("Given Matrix");
            for (i = 1; i <= m; i++)
            {
                for (j = 1; j <= n; j++)
                {
                    Console.Write("\t{0}", a[i, j]);
                }
                Console.WriteLine();
            }
        }
 
        public void col()
        {
            int c;
            for (i = 1; i <= n; i++)
            {
                c = 0;
                for (j = 1; j <= m; j++)
                {
                    c = c + a[j, i];
                }
                Console.WriteLine("{0} Column Sum : {1}", i, c);
            }
        }
    }
    class matsum
    {
        static void Main(string[] args)
        {
            mat ma = new mat();
            ma.getmatrix();
            ma.col();
            Console.ReadLine();
        }
    }
}

This C# program, we are creating an object variable ‘ma’ to the mat class. The getmatrix() method we are reading the number of rows and columns of the matrix using ‘m’ and ‘n’ variables respectively.

Using for loop we are entering the coefficient element values for the array variable a[i,j]. Using for loop in col() method compute the sum of the elements of each column. Print the sum of the elements of each column of the given matrix.

 
Enter the Number of Rows : 2
Enter the Number of Columns : 2
Enter the Elements : 
1
2
3
4
Given Matrix :
        1      2
        3      4
1 Column Sum : 4
2 Column Sum : 6

C# Program to Find the Sum of Each Column of the Matrix