C#: Transpose of a specified Matrix

Last update on August 22 2025 12:42:27 (UTC/GMT +8 hours)

Write a C# Sharp program to find the transpose of a given matrix.

Sample Solution:-

C# Sharp Code:

using System;

public class Exercise22 
{  
    public static void Main()
    {
        int i, j, r, c;
        int[,] arr1 = new int[50, 50]; // Declare the first matrix
        int[,] brr1 = new int[50, 50]; // Declare the transpose matrix

        Console.Write("\n\nTranspose of a Matrix :\n");
        Console.Write("---------------------------\n"); 

        Console.Write("\nInput the number of rows and columns of the matrix :\n");	
        Console.Write("Rows : ");
        r = Convert.ToInt32(Console.ReadLine());
        Console.Write("Columns : ");  
        c = Convert.ToInt32(Console.ReadLine());	

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

        // Display the original matrix
        Console.Write("\nThe Original matrix is :\n");
        for (i = 0; i < r; i++)
        {
            Console.Write("\n");
            for (j = 0; j < c; j++)
                Console.Write("{0}\t", arr1[i, j]);
        }

        // Transpose the matrix
        for (i = 0; i < r; i++)
        {
            for (j = 0; j < c; j++)
            {
                brr1[j, i] = arr1[i, j]; // Swap rows and columns for the transpose
            }
        }

        // Display the transpose of the matrix
        Console.Write("\n\nThe Transpose of the matrix is : ");
        for (i = 0; i < c; i++)
        {
            Console.Write("\n");
            for (j = 0; j < r; j++)
            {
                Console.Write("{0}\t", brr1[i, j]);
            }
        }
        Console.Write("\n\n");
    }
}

Sample Output:

Transpose of a Matrix :                                                                                       
---------------------------                                                                                   
                                                                                                              
Input the number of rows and columns of the first matrix :                                                    
Rows : 2                                                                                                      
Columns : 2                                                                                                   
Input elements in the matrix :                                                                                
element - [0],[0] : 1                                                                                         
element - [0],[1] : 2                                                                                         
element - [1],[0] : 3                                                                                         
element - [1],[1] : 4                                                                                         
                                                                                                              
The First matrix is :                                                                                         
                                                                                                              
1       2                                                                                                     
3       4                                                                                                     
                                                                                                              
The Transpose of a matrix is :                                                                                
1       3                                                                                                     
2       4

Flowchart:

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