/** * Program to multiply 2 matrix of any size if possible * @author Gamma */ /* Sample input and output First line : sizes of first and second matrices [r -> row,c -> column] Second line : elements of first matrix Third line : elements of second matrix E.g. 3 4 4 3 1 2 3 4 5 6 7 8 9 9 8 7 7 8 9 9 8 7 6 5 4 3 2 1 Output : Enter the rows and columns of first and second matrix : Enter the elements of matrix A : 1 2 3 4 5 6 7 8 9 9 8 7 Enter the elements of matrix B : 7 8 9 9 8 7 6 5 4 3 2 1 The resultant matrix [A]x[B] is : 55 47 39 155 139 123 213 198 183 The resultant matrix [B]x[A] is : 128 143 149 155 112 129 139 149 67 78 85 92 22 27 31 35 */ #include #include using namespace std; void read(int mat[50][50],int r,int c) { for(int i = 0;i != r; i++) { for(int j = 0;j != c; j++) { cin >> mat[i][j]; } } } void print(int r,int c,int mat[][50]) { cout << endl; for(int i = 0;i != r; i++) { for(int j = 0;j != c; j++) { cout << mat[i][j] << " "; } cout << endl; } } void multiply(int r,int m1[50][50],int R,int C,int m2[50][50]) { int sum = 0,mat[50][50]; for(int i = 0;i != r; i++) { for(int k = 0;k != C; k++) { mat[i][k] = 0; for(int j = 0; j != R; j++) { mat[i][k] += m1[i][j]*m2[j][k]; } } } print(r,C,mat); } int main() { int r,c,m1[50][50],R,C,m2[50][50]; cout << "Enter the rows and columns of first and second matrix : "; cin >> r >> c >> R >> C; if(c!=R) {cout << "Matrix multiplication not possible!" << endl;exit(0);} cout << "Enter the elements of matrix A : "; read(m1,r,c); print(r,c,m1); cout << "Enter the elements of matrix B : "; read(m2,R,C); print(R,C,m2); cout << endl << "The resultant matrix [A]x[B] is : "; multiply(r,m1,R,C,m2); if(R!=c){cout << "Multiplication BxA is not possible!";} else{cout << endl << "The resultant matrix [B]x[A] is :";multiply(R,m2,r,c,m1);} return 0; } // ill add some other operations like determinants , sum, inverse , etc. after i get sufficient time

Matrix Operations [multiplication]