*Subtract of two matrices*

*Subtract of two matrices*

Write a C Program for Subtraction of two matrices. Here’s simple Program to Subtract two matrices in C Programming Language.

*What is Matrix ?*

**Matrix representation** is a method used by a computer language to store matrices of more than one dimension in memory. C uses “Row Major”, which stores all the elements for a given row contiguously in memory.

*Two-dimensional Arrays : :*

The simplest form of multidimensional array is the two-dimensional array. A two-dimensional array is, in essence, a list of one-dimensional arrays. An m × n (read as m by n) order matrix is a set of numbers arranged in m rows and n columns.

To declare a two-dimensional integer array of size [x][y], you would write something as follows −

*type arrayName [ x ][ y ];*

Where **type** can be any valid C data type and **arrayName** will be a valid C identifier.

Below is the source code for C Program for Subtraction of two matrices which is successfully compiled and run on Windows System to produce desired output as shown below :

**SOURCE CODE : :**

**SOURCE CODE : :**

/* C Program for Subtraction of two matrices */ #include <stdio.h> int main() { int A[10][10],B[10][10],C[10][10],i,j,m,n; int row, col; printf("Enter no. of rows :: "); scanf("%d", &m); printf("\nEnter no. of cols :: "); scanf("%d",&n); printf("\nEnter values to the matrix A :: \n"); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { printf("\nEnter a[%d][%d] value :: ",i,j); scanf("%d", &A[i][j]); } } printf("\nThe given matrix A is :: \n\n"); for (i = 0; i < m; ++i) { for (j = 0; j < n; ++j) { printf("\t%d", A[i][j]); } printf("\n\n"); } printf("\nEnter values to the matrix B :: \n"); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { printf("\nEnter a[%d][%d] value :: ",i,j); scanf("%d", &B[i][j]); } } printf("\nThe given matrix B is :: \n\n"); for (i = 0; i < m; ++i) { for (j = 0; j < n; ++j) { printf("\t%d", B[i][j]); } printf("\n\n"); } /* * Subtracts both matrices and stores the result in matrix C */ for(row=0; row<m; row++) { for(col=0; col<n; col++) { C[row][col] = A[row][col] - B[row][col]; } } /* * Prints the Subtraction of two matrices A and B */ printf("\nSubtraction of two matrices A - B = C \n"); printf("\nThe given matrix C is :: \n\n"); for (i = 0; i < m; ++i) { for (j = 0; j < n; ++j) { printf("\t%d", C[i][j]); } printf("\n\n"); } return 0; }

**Output : :**

**Output : :**

/* C Program for Subtraction of two matrices */ Enter no. of rows :: 2 Enter no. of cols :: 2 Enter values to the matrix A :: Enter a[0][0] value :: 1 Enter a[0][1] value :: 2 Enter a[1][0] value :: 3 Enter a[1][1] value :: 4 The given matrix A is :: 1 2 3 4 Enter values to the matrix B :: Enter a[0][0] value :: 5 Enter a[0][1] value :: 6 Enter a[1][0] value :: 7 Enter a[1][1] value :: 8 The given matrix B is :: 5 6 7 8 Subtraction of two matrices A - B = C The given matrix C is :: -4 -4 -4 -4 Process returned 0

Above is the source code for C Program for Subtraction of two matrices which is successfully compiled and run on Windows System.The Output of the program is shown above .

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