Thanks a lot. Much simpler than I thought it would be. Very fine instructive example. Yours, littlemathteacher.
On 30 Mai, 17:49, Jason Grout <jason-s...@creativetrax.com> wrote: > littlemathteacher wrote: > > Dear Supporters, > > > first of all thanks to you all for doing such a great support job to > > me so far. > > > Now I want to make complex analysis visible and to plot 3d-graphics > > either of real or imaginary parts of functions. > > > The first step would be to plot the exponential function just like in > > the german or the us wikipedia article, later to show the branch cuts > > like in > > >http://mathworld.wolfram.com/BranchCut.html > > > or the gamma function like in > > >http://mathworld.wolfram.com/GammaFunction.html. > > > The reason why my attemps fail might lie somwhere in the defining of > > variables and in the picking out of the real or the imaginary part. > > > I guess all I need is one working example of how to 3dplot let's say > > complexplane X real part of the function value. > > > Starting from that example I could do the rest myself, but I didn't > > find one yet. > > > Could you please post a link to an example? > > And here's the imaginary part: > > sage: plot3d(lambda x,y: arcsin(x+y*I).imag(), (-2,2), (-2,2)) > > Jason > -- > Jason Grout --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
