Présentation de fctparam.jps

/syracuse/texpng/jpv/guide_jps/fctparam.jpg
-1.5 1.5 setxrange -1.5 1.5 setyrange 50 setxunit traceaxes marks 1.5 setlinewidth pi -2 div pi 2 div settrange /X {4 mul Cos} def /Y {3 mul Sin} def {X} {Y} courbeparam