Re: Corrupt graphics output

*To*: mathgroup at smc.vnet.net*Subject*: [mg90676] Re: Corrupt graphics output*From*: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>*Date*: Sat, 19 Jul 2008 04:48:12 -0400 (EDT)*Organization*: Uni Leipzig*References*: <g5pj0s$qbg$1@smc.vnet.net>*Reply-to*: kuska at informatik.uni-leipzig.de

Hi, it look fine with Mathematica 6.0.3, so what version you are using ? If it is 5.x than this is probably a problem of sampling the function and you can only try to increase the number of sampling points. Regards Jens Paul M wrote: > Hello, > > I was playing around with Mathematica the other day and was attempting > to graph the modulus of the complex-valued gamma function. When I use > a PlotPoints value of 120 the graph looks fine. However, the > following command yields a corrupt graph (PlotPoints value of 150). > > Plot3D[Abs[Gamma[x + I y]], {x, -5, 5}, {y, -5, 5}, > PlotPoints -> {150, 150}, PlotRange -> {0, 10}, > BoxRatios -> {1, 1, 0.8}, AxesLabel -> {x, I y, Abs[Gamma[z]]}] > > Anyone know the reason for this and possible solutions? > > Thank you, > Paul >