C# Program to Find Sum of the Elements of each Column of the Given Matrix

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

Problem Description

This C# Program Finds Sum of the Elements of each Column of the Given Matrix.

Problem Solution

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

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Program/Source Code

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();
        }
    }
}
Program Explanation

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.

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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.

Runtime Test Cases
 
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

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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn