21 Aug 2007

Asymptote using geometry.asy – fig0620

Figure 0062
(Compiled with Asymptote version 2.14svn-r5318)
    
import geometry;
size(10cm);

point F=(1,-1.5);
dot("$F$",F,N,red);

parabola p=parabola(F,0.2,110);

draw(p);

/* View the definition of point curpoint(explicit parabola,real) */
dot("curpoint(p, 0)",curpoint(p,0),SE);

/* View the definition of point point(parabola,abscissa) */
dot("curpoint(p, 0.5)",point(p,curabscissa(0.5)),NE);
// point(p,curabscissa(0.5)) can be replaced by curpoint(p,0.5)

dot("curpoint(p, -0.5)",curpoint(p,-0.5),W);
dot("curpoint(p, -2)",curpoint(p,-2),W);
dot("curpoint(p, 2)",curpoint(p,2),E);

Étiquettes : , , ,