You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
26 lines
817 B
C
26 lines
817 B
C
#include<stdio.h>
|
|
int main()
|
|
{
|
|
int a[3][3],i,j;
|
|
float determinant=0;
|
|
printf("Enter the 9 elements of matrix: ");
|
|
for(i=0; i<3; i++)
|
|
for(j=0; j<3; j++)
|
|
scanf("%d",&a[i][j]);
|
|
printf("\nThe matrix is\n");
|
|
for(i=0; i<3; i++)
|
|
{
|
|
printf("\n");
|
|
for(j=0; j<3; j++)
|
|
printf("%d\t",a[i][j]);
|
|
}
|
|
for(i=0; i<3; i++)
|
|
determinant = determinant + (a[0][i]*(a[1][(i+1)%3]*a[2][(i+2)%3] - a[1][(i+2)%3]*a[2][(i+1)%3]));
|
|
printf("\nInverse of matrix is: \n");
|
|
for(i=0; i<3; i++)
|
|
{
|
|
for(j=0; j<3; j++)
|
|
printf("%.3f\t",((a[(i+1)%3][(j+1)%3] * a[(i+2)%3][(j+2)%3]) - (a[(i+1)%3][(j+2)%3]*a[(i+2)%3][(j+1)%3]))/ determinant);
|
|
printf("\n");
|
|
}
|
|
} |