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C# PROGRAM TO PERFORM SUBTRACTION ON MATRICES USING ARRAYS

Implementing Subtraction of Matrices Using 2D-Arrays:

using System;


namespace MatrixSubtractionProgram
{
    class Program
    {
        static void Main(string[] args)
        {
            //using 2D-ARRAYS
            int RowSize = 5, ColSize = 5;
            int[,] Matrix1 = new int[RowSize, ColSize];
            int[,] Matrix2 = new int[RowSize, ColSize];
            int[,] ResultMatrix = new int[RowSize, ColSize];
            int i, j;


            try
            {
                Console.WriteLine("\n >>> PROGRAM To PRINT SUBTRACTION OF TWO MATRICES <<<");
                Console.Write("\n Enter the Size of a Matrix N*N (For Example:3*3) : ");
                string s = Console.ReadLine();
                string[] values = s.Split('*');
                RowSize = int.Parse(values[0]);
                ColSize = int.Parse(values[1]);

                if (RowSize > 5 || ColSize > 5)   //limiting the size of matrix
                {
                    Console.BackgroundColor = ConsoleColor.DarkRed; //changing background color to red
                    Console.WriteLine(" The Size Of Matrix should Be in Less Than 5 (limiting size of array)");
                    System.Console.ResetColor(); ///resetting color
                    Console.WriteLine("\n\n\t Press Enter key to exit....");
                    Console.ReadKey(); return;
                }

                else
                {

                    //Initializing all the elements to zero
                    for (i = 0; i < RowSize; i++)
                    {
                        for (j = 0; j < ColSize; j++)
                        {
                            Matrix1[i, j] = 0;
                            Matrix2[i, j] = 0;
                        }
                    }
                    //Reading elements of Matrix1
                    Console.WriteLine("\n Enter the elements of Matrix1({0}*{1})", RowSize, ColSize);
                    for (i = 0; i < RowSize; i++)
                    {
                        for (j = 0; j < ColSize; j++)
                        {
                            Console.Write(" Matrix1[{0},{1}] : ", i, j);
                            Matrix1[i, j] = Convert.ToInt32(Console.ReadLine());
                        }
                    }
                    //Reading elements of Matrix2
                    Console.WriteLine("\n Enter the elements of Matrix2({0}*{1})", RowSize, ColSize);
                    for (i = 0; i < RowSize; i++)
                    {
                        for (j = 0; j < ColSize; j++)
                        {
                            Console.Write(" Matrix2[{0},{1}] : ", i, j);
                            Matrix2[i, j] = Convert.ToInt32(Console.ReadLine());
                        }
                    }

                    //calculating ResultMatrix, by SUBTRACTING Matrix2 FROM Matrix1
                    for (i = 0; i < RowSize; i++)
                    {
                        for (j = 0; j < ColSize; j++)
                        {
                            ResultMatrix[i, j] = Matrix1[i, j] - Matrix2[i, j];
                        }
                    }

                    //Printing Result Matrix
                    Console.Write("\n\n\t*** Result Matrix  ***\n\n\t");
                    for (i = 0; i < RowSize; i++)
                    {

                        for (j = 0; j < ColSize; j++)
                        {
                            if (ResultMatrix[i, j] < 10)
                            {
                                //Making number as 01,02,etc,.
                                Console.Write("  0" + Convert.ToString(ResultMatrix[i, j])); 
                            }
                            else
                            {
                                Console.Write("  " + Convert.ToString(ResultMatrix[i, j]));
                            }

                            if (j == ColSize - 1) { Console.Write("\n\t"); }

                        }
                    }
                }
            }
            catch  //to catch exceptions,suppose string entered as aRowSize or Colsize  of matrix
            {
                Console.BackgroundColor = ConsoleColor.DarkRed;
                Console.WriteLine("WARNING:only Number are allowed, Enter Correct Input");
                Console.ResetColor();
            }

            Console.WriteLine("\n\n\t Press Enter key to exit....");
            Console.ReadLine();
        }
    }
}

In the above program the code can be shortened by reducing the number of for loops or by using functions, but for making it easier to understand by the beginners, the program is made as simple as possible. Some of the different Sample Outputs of the above program are shown below:

Output:

  
For C Program :

C PROGRAM TO PERFORM SUBTRACTION ON MATRICES



 More posts: 

C# PROGRAM FOR ADDITION OF MATRICES USING ARRAYS


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