C#: Addition of two Matrices

C# Sharp Array: Exercise-19 with Solution

Write a C# Sharp program for adding two matrices of the same size.

Sample Solution:-

C# Sharp Code:

using System;

public class Exercise19  
{  
    public static void Main() 
    {
        int i, j, n; // Declare variables for loop control and matrix size
        int[,] arr1 = new int[50, 50]; // Declare the first matrix
        int[,] brr1 = new int[50, 50]; // Declare the second matrix
        int[,] crr1 = new int[50, 50]; // Declare the resultant matrix for addition

        // Display a message prompting the user to input the size of the square matrix (less than 5)
        Console.Write("\n\nAddition of two Matrices :\n");
        Console.Write("-----------------------------------------\n");  
        Console.Write("Input the size of the square matrix (less than 5): ");
        n = Convert.ToInt32(Console.ReadLine());	

        /* Input elements into the first matrix */
        Console.Write("Input elements in the first matrix :\n");
        for (i = 0; i < n; i++)
        {
            for (j = 0; j < n; j++)
            {
                Console.Write("element - [{0},{1}] : ", i, j);
                arr1[i, j] = Convert.ToInt32(Console.ReadLine()); // Store user input in the first matrix
            }
        }   

        /* Input elements into the second matrix */
        Console.Write("Input elements in the second matrix :\n");
        for (i = 0; i < n; i++)
        {
            for (j = 0; j < n; j++)
            {
                Console.Write("element - [{0},{1}] : ", i, j);
                brr1[i, j] = Convert.ToInt32(Console.ReadLine()); // Store user input in the second matrix
            }
        }    

        // Display the first matrix
        Console.Write("\nThe First matrix is :\n");
        for (i = 0; i < n; i++)
        {
            Console.Write("\n");
            for (j = 0; j < n; j++)
                Console.Write("{0}\t", arr1[i, j]); // Print elements of the first matrix
        }

        // Display the second matrix
        Console.Write("\nThe Second matrix is :\n");
        for (i = 0; i < n; i++)
        {
            Console.Write("\n");
            for (j = 0; j < n; j++)
                Console.Write("{0}\t", brr1[i, j]); // Print elements of the second matrix
        }

        /* Calculate the sum of the matrices */
        for (i = 0; i < n; i++)
        {
            for (j = 0; j < n; j++)
                crr1[i, j] = arr1[i, j] + brr1[i, j]; // Perform addition of elements and store in the resultant matrix
        }

        // Display the resultant matrix after addition
        Console.Write("\nThe Addition of two matrices is : \n");
        for (i = 0; i < n; i++)
        {
            Console.Write("\n");
            for (j = 0; j < n; j++)
                Console.Write("{0}\t", crr1[i, j]); // Print elements of the resultant matrix
        }
        Console.Write("\n\n");
    }
}

Sample Output:

addition of two Matrices :                                                                                    
-----------------------------------------                                                                     
Input the size of the square matrix (less than 5): 2                                                          
Input elements in the first matrix :                                                                          
element - [0,0] : 2                                                                                           
element - [0,1] : 4                                                                                           
element - [1,0] : 6                                                                                           
element - [1,1] : 8                                                                                           
Input elements in the second matrix :                                                                         
element - [0,0] : 1                                                                                           
element - [0,1] : 3                                                                                           
element - [1,0] : 5                                                                                           
element - [1,1] : 7                                                                                            
The First matrix is :                                                                                         
2       4                                                                                                     
6       8                                                                                                     
The Second matrix is :
1       3                                                                                                     
5       7                                                                                                     
The Addition of two matrix is :                                                                               
3       7                                                                                                     
11      15

Flowchart:

C# Sharp Code Editor:

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