Présentation de 6522.jps

/syracuse/bbgraf/tmp/6522.jpg
10 setxyrapport 25 setxunit 7.5 setborder 90 setangle_repere -5 5 setxrange -.5 1.2 setyrange 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow .75 setlinewidth continu bleu /X {settvar #rpn# t - tanh (t) } def /Y {settvar #rpn# 1/cosh (t) } def 10 neg 10 {X} {Y} Courbeparam