/width 250 def /height 250 def /border 7.5 def /xmin -5 def /xmax 5 def /ymin -5 def /ymax 10 def %xticks %yticks %xsubticks %ysubticks /xtkstep 1 def /ytkstep 1 def %/xsubtkstep .5 def %/ysubtkstep .5 def %/xmkstep 2 def %/ymkstep 2 def %xmarks %ymarks traceOx traceOy axeOxarrow axeOyarrow %unites %xmarks %ymarks jpegmode /f {setxvar x 2 div Exp x -2 div Exp add 2 div 2 mul -0.3 add } def /g {setxvar x 3 div Exp x -3 div Exp add 2 div 3 mul } def /h {setxvar x 4 div Exp x -4 div Exp add 2 div 4 mul -0.5 add } def /i {setxvar x 1.5 div Exp x -1.5 div Exp add 2 div 1.5 mul -1.5 add } def /j {setxvar x 1.2 div Exp x -1.2 div Exp add 2 div 1.2 mul -4 add } def gsave bleu .8 setlinewidth continu {f} courbe grestore gsave rouge .8 setlinewidth continu {g} courbe grestore gsave vert .8 setlinewidth continu {h} courbe grestore gsave orange .8 setlinewidth continu {i} courbe grestore gsave rose .8 setlinewidth continu {j} courbe grestore