Présentation de 3100.jps

/syracuse/bbgraf/tmp/3100.jpg
25 setxunit 7.5 setborder 90 setangle_repere -8 8 setxrange -1 15 setyrange [1 1 .5 .5 .1 .1] {orange} Quadrillage 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow unites /f {setxvar #rpn# abs(x+1)+abs(2*x+1)+abs(x-3) } def gsave bleu .75 setlinewidth continu {f} courbe grestore