#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include "matriz.c"
#define TRUE 1 void sustitucion(double **a, double *b, double *x, int n)
{
int i,j; double suma; x[n-1] = b[n-1] / a[n-1][n-1]; for(i=n-2;i>=0;i--) { suma=0; for(j=i+1;j<n;j++) suma+=a[i][j] * x[j]; x[i]= (b[i] - suma)/ a[i][i]; }
}

void eliminacion(double **a, double *b, int n)
{
int i,j,k; double cte; for(i=0;i<n;i++) for(j=i+1;j<n;j++) { cte = a[j][i] /a[i][i];