Mine

void initmatrice(double ** mymat, double n){  int i;  int j;  mymat = malloc(sizeof( *mymat) * n); for (i=0; i<n; i++)   {     mymat[i]=malloc(sizeof(**mymat) * n);     for(j=0; i<n; i++)       {	 mymat[i][j] = 0.0 ;       }   }}