/* -*-ePiX-*- */ #include "epix.h" using namespace ePiX; // the function to be plotted double f(double x) { return x*x; } int main() { picture(P(-2,0), P(2,4), "2.5x2.5in"); begin(); pen(Black(0.3)); grid(8,8); // and coarse pen(Black()); axis Ax(P(xmin(),0), P(xmax(),0), 4, P(0,-4), b); axis Ay(P(0,ymin()), P(0,ymax()), 4, P(4, 0), r); font_size("scriptsize"); Ax.draw(); Ay.unmark(0).draw(); bold(Red()); plot(f, xmin(), xmax(), 40); end(); }