25 setxunit
7.5 setborder
90 setangle_repere
-10 10 setxrange
-10 10 setyrange
1 1 settkstep
.5 .5 setsubtkstep
1 1 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
unites
.75 setlinewidth
continu
bleu
/X {settvar
#rpn# 2 * cosh (t)
} def
/Y {settvar
#rpn# 3 * sinh (t)
} def
0 100000 {X} {Y} Courbeparam
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