Présentation de 587.jps

/syracuse/var/syracuse/bbgraf/tmp/587.png
50 setxunit 7.5 setborder 90 setangle_repere -2 6 setxrange -2 6 setyrange 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks ymarks traceaxes axesarrow unites /f {setxvar #rpn# (-8*x)/10 + 3 } def /u0 -1.5 def %% 1er terme /n 30 def %% nb de termes /l1 [u0 n {dup f} repeat] def %% l1 = le tableau [u0 u1 ... u(n-1)] /l2 l1 {f} apply def %% l2 = le tableau [u1 u2 ... un] /L1 l1 dup fuz def %% L1 = (l1, l1) soit [u0 u0 u1 u1 ... un un] /L2 l1 l2 fuz def %% L2 = (l1, l2) soit [u0 u1 u1 u2 ... u(n-1) un] L2 {point} plot %% on represente L2 0 1 10 1 sub { /i exch def setTimesItalic (u) l2 i get 0 dctext setTimesRoman i 1 add ( ) cvs indice } for