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C program to compare if the two matrices are equal or not
The user has to enter the order of two matrices and elements of two matrices. Then, these two matrix are compared.
If both matrix elements and size are equal, then it displays that the two matrices are equal.
If size of matrix is equal but the elements are not equal, then it displays that the matrix can be compared but is not equal.
If the size and elements are not matched, then it displays that the matrices cannot be compared.
Program
Following is the C program to compare if the two matrices are equal or not −
#include <stdio.h>
#include <conio.h>
main(){
int A[10][10], B[10][10];
int i, j, R1, C1, R2, C2, flag =1;
printf("Enter the order of the matrix A
");
scanf("%d %d", &R1, &C1);
printf("Enter the order of the matrix B
");
scanf("%d %d", &R2,&C2);
printf("Enter the elements of matrix A
");
for(i=0; i<R1; i++){
for(j=0; j<C1; j++){
scanf("%d",&A[i][j]);
}
}
printf("Enter the elements of matrix B
");
for(i=0; i<R2; i++){
for(j=0; j<C2; j++){
scanf("%d",&B[i][j]);
}
}
printf("MATRIX A is
");
for(i=0; i<R1; i++){
for(j=0; j<C1; j++){
printf("%3d",A[i][j]);
}
printf("
");
}
printf("MATRIX B is
");
for(i=0; i<R2; i++){
for(j=0; j<C2; j++){
printf("%3d",B[i][j]);
}
printf("
");
}
/* Comparing two matrices for equality */
if(R1 == R2 && C1 == C2){
printf("Matrices can be compared
");
for(i=0; i<R1; i++){
for(j=0; j<C2; j++){
if(A[i][j] != B[i][j]){
flag = 0;
break;
}
}
}
}
else{
printf(" Cannot be compared
");
exit(1);
}
if(flag == 1 )
printf("Two matrices are equal
");
else
printf("But,two matrices are not equal
");
}Output
When the above program is executed, it produces the following result −
Run 1: Enter the order of the matrix A 2 2 Enter the order of the matrix B 2 2 Enter the elements of matrix A 1 2 3 4 Enter the elements of matrix B 1 2 3 4 MATRIX A is 1 2 3 4 MATRIX B is 1 2 3 4 Matrices can be compared Two matrices are equal Run 2: Enter the order of the matrix A 2 2 Enter the order of the matrix B 2 2 Enter the elements of matrix A 1 2 3 4 Enter the elements of matrix B 5 6 7 8 MATRIX A is 1 2 3 4 MATRIX B is 5 6 7 8 Matrices can be compared But,two matrices are not equal
Updated on: 01-Sep-2021
2K+ Views
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