Présentation de 7185.jps

/syracuse/bbgraf/tmp/7185.jpg
25 setxunit 7.5 setborder 90 setangle_repere -5 5 setxrange -5 5 setyrange 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow .75 setlinewidth continu bleu /X {settvar #rpn# (t^2 - 4) / (t + 1) } def /Y {settvar #rpn# (1 - 4 * t^2) / (t * (t + 1)) } def 20 neg 20 {X} {Y} Courbeparam