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Diffstat (limited to 'Build/source/utils/asymptote/examples/gamma.asy')
-rw-r--r-- | Build/source/utils/asymptote/examples/gamma.asy | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/examples/gamma.asy b/Build/source/utils/asymptote/examples/gamma.asy new file mode 100644 index 00000000000..f92dd775abb --- /dev/null +++ b/Build/source/utils/asymptote/examples/gamma.asy @@ -0,0 +1,24 @@ +import graph; +size(300,IgnoreAspect); + +bool3 branch(real x) +{ + static int lastsign=0; + if(x <= 0 && x == floor(x)) return false; + int sign=sgn(gamma(x)); + bool b=lastsign == 0 || sign == lastsign; + lastsign=sign; + return b ? true : default; +} + +draw(graph(gamma,-4,4,n=2000,branch),red); + +scale(false); +xlimits(-4,4); +ylimits(-6,6); +crop(); + +xaxis("$x$",RightTicks(NoZero)); +yaxis(LeftTicks(NoZero)); + +label("$\Gamma(x)$",(1,2),red); |