#include #include#include #define max_dimension 20int n;static float a[max_dimension][max_dimension];static float b[max_dimension];static float x[max_dimension]; void main(){int i;int j;int d;int row;float temp;float known_items;float l[max_dimension][max_dimension];clrscr();printf("Please Input Matrix jieshu :");scanf("%d",&n);printf("\n");printf("Please Input Matrix Factors : ");printf("\n");for (i=0; ifabs(a[row][d])) row=i; } if (row!=d) { for (j=d;j-1; i--){ known_items=0; for (j=1; j
