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/* -*-ePiX-*- */
#include "epix.h"
using namespace ePiX;
P f(double t)
{
return P(0.25*t*t, t);
}
int main()
{
picture(P(-1, -4), P(7, 4), "2.5 x 2.5in");
begin();
P pA(f(0)), pP(f(3.5)), pM(pP & E_1), pN(xmin(), pP.x2()), pS(1, 0);
bold();
plot(f, ymin(), ymax(), 40);
line(P(xmin(), 0), P(xmax(), 0));
line(pP, pN);
line(pP, pM);
line(pP, pS);
line(P(xmin(), ymin()), P(xmin(), ymax()));
label(P(xmin(), 0), P(-4, 0), "$X$", l);
label(pN, P(-4, 0), "$N$", l);
label(pA, P(-2, -4), "$A$", bl);
label(pP, P(2, 4), "$P$", t);
label(pS, P(0, -4), "$S$", b);
label(pM, P(0, -4), "$M$", b);
tikz_format();
end();
}
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