#include #include #include #include #define N 4 double A[N][N]={{68,-41,-17,10 },{-41,25 ,10 ,-6 },{-17, 10, 5, -3 },{10,-6,-3,2 }}; void swap(double *a,double *b){double c; c= *a; *a= *b; *b= c;};int DinV(double A[N][N],int n){ int i,j,k; double d; int JS[N],IS[N];... |