Matrix inverse C program

C Programs / Matrix inverse C program

Program Name

Write a C Program for Matrix inverse C program.

Theory

Program Code


#include<stdio.h>
int main()
{
int i,j;
float a[4][4];
float d;

printf("Enter A Matrix Values");
for(i=0;i<2;i++)
for(j=0;j<2;j++)
scanf("%f",&a[i][j]);


printf("Given A Matrix\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
printf("%f ",a[j][i]);
printf("\n");
}

d=a[0][0]*a[1][1]-a[1][0]*a[0][1];
d=1.0/d;
a[0][0]=d*a[1][1];
a[1][0]=d*(-(a[1][0]));
a[0][1]=d*(-(a[0][1]));
a[1][1]=d*a[0][0];
printf("\nMatrix Inverse\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
printf("%f ",a[j][i]);
printf("\n");
}

return 0;
}

Input

Enter A Matrix Values4 3 2 1

Output

Given A Matrix
4.000000 2.000000 
3.000000 1.000000 

Matrix Inverse
-0.500000 1.000000 
1.500000 0.250000

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