#include<stdio.h> void main() {int a[10][10],i,m,j; int det=0; printf("\nEnter the order of matrix:\n "); scanf("%i",&m); printf("\nenter elements\n"); for(i=0;i<m;i++) { for(j=0;j<m;j++) scanf("%d",&a[i][j]); } printf("\nThe matrix is\n"); for(i=0;i<m;i++) { printf("\n"); for(j=0;j<m;j++) printf("%3d",a[i][j]); } printf("\nthe transpose is\n"); for(i=0;i<m;i++) { for(j=0;j<m;j++) printf("%3i",a[j][i]); printf("\n"); } if(m==1) { det=a[0][0]; printf("det=%i",det); } else if(m==2) { int k=1,l=1; for(i=0;i<2;i++) for(j=0;j<2;j++) { if(i==j) k*=a[i][j]; else l*=a[i][j]; } printf("\ndeterminant=%i",k-l); } else if(m==3) { for(i=0;i<3;i++) det=det+(a[0][i]*(a[1][(i+1)%3]*a[2][(i+2)%3]-a[1][(i+2)%3]*a[2][(i+1)%3])); printf("\nDeterminant of matrix is: %d",det); } else printf("This program can't calculate determinant of matrix of order greater than 3"); }
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C Program to Calculate Determinant of Matrix of Order Upto 3
In this post i am sharing a C program to calculate determinant of matrices of order upto 3 (3x3).
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