#include <stdio.h>

#include <stdlib.h>

struct point

{

float x,y,z;

};

void main()

int x,y;

struct point *pt;

struct point *pTemp;

FILE *pt;

pt = (struct point* ) malloc(sizeof( streuct point ) * 41 *41 );

pt = fopen("AAA.CSV" , "w" );

for( y = -20 ; y<=20 ; ++y)

{

for (x = -20 ; x<= 20 ; ++x)

{

pTemp = & pt [(y*20)*41 + (x+20)];

pTemp[0],x = x;

pTemp[0],y = y;

pTemp[0],z = 2.1*x*x + -1.2*y*y +2.4*x + 3.4*x +2.1*y +1.3*x*y +4.5;

fprinf( pt , "%f,"