#include <math.h>

main() {
  double x,y,dx, xMin;
  int i, nPoints;

  dx = 0.01;
  xMin = 0.0;
  nPoints = 1000;

  printf(" # So let's plot some points. \n");

  for (i=0; i < nPoints; i++) {
    x = xMin + dx*i;
    y = exp( -x*x ) * sin(10.0*x);
    printf("%g %g \n", x,y );
  }
  
}