# Sum & Difference of the Matrices with C

#include <stdio.h> #include <stdlib.h> void readmatA(); void printmatA(); void readmatB(); void printmatB(); void sum(); void diff(); int a[10][10], b[10][10], sumarray[10][10], arraydiff[10][10]; int i, j, row1, column1, row2, column2; void main() { printf("Enter the order of the matrix A \n"); scanf("%d %d", &row1, &column1); printf("Enter the order of the matrix B \n"); scanf("%d %d", &row2, &column2); if (row1 != row2 && column1 != column2) { printf("Addition and subtraction are possible \n"); exit(1); } else { printf("Enter the elements of matrix A \n"); readmatA(); printf("MATRIX A is \n"); printmatA(); printf("Enter the elements of matrix B \n"); readmatB(); printf("MATRIX B is \n"); printmatB(); sum(); diff(); } } /* Function to read a matrix A */ void readmatA() { for (i = 0; i < row1; i++) { for (j = 0; j < column1; j++) { scanf("%d", &a[i][j]); } } return; } /* Function to read a matrix B */ void readmatB() { for (i = 0; i < row2; i++) { for (j = 0; j < column2; j++) { scanf("%d", &b[i][j]); } } } /* Function to print a matrix A */ void printmatA() { for (i = 0; i < row1; i++) { for (j = 0; j < column1; j++) { printf("%3d", a[i][j]); } printf("\n"); } } /* Function to print a matrix B */ void printmatB() { for (i = 0; i < row2; i++) { for (j = 0; j < column2; j++) { printf("%3d", b[i][j]); } printf("\n"); } } /* Function to do the sum of elements of matrix A and Matrix B */ void sum() { for (i = 0; i < row1; i++) { for (j = 0; j < column2; j++) { sumarray[i][j] = a[i][j] + b[i][j]; } } printf("Sum matrix is \n"); for (i = 0; i < row1; i++) { for (j = 0; j < column2; j++) { printf("%3d", sumarray[i][j]) ; } printf("\n"); } return; } /* Function to do the difference of elements of matrix A and Matrix B */ void diff() { for (i = 0; i < row1; i++) { for (j = 0; j < column2; j++) { arraydiff[i][j] = a[i][j] - b[i][j]; } } printf("Difference matrix is \n"); for (i = 0; i < row1; i++) { for (j = 0; j < column2; j++) { printf("%3d", arraydiff[i][j]); } printf("\n"); } return; }

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