Justin C. Walker wrote: > Hi, > > On Feb 4, 2008, at 6:16 AM, vgermrk wrote: > >> I want to plot a simple function: sqrt(1-x^2) >> i tried plot(sqrt(1-x^2),(x,1,10)) and plot((1-x^2)^(0.5),(x, >> 1,10)) , >> but i doesn't work. > > Please, in the future, include a little information with your > question. It is not easy to diagnose problems in the absence of > context: Sage version, Platform (hardware, OS, OS version) at least. > > Second, try to explain what "it doesn't work" means. The folks on > this list are pretty good, but their talents typically don't include > the ability to read minds. > > As to what might be wrong, I think the problem is that your function > is not one that plot() can handle. sqrt(f) produces (non-real) > complex numbers in the range you are specifying, while plot() expects > real (or, at least, rational) numbers. >
I agree with Justin's comments on how to ask good, detailed questions about functionality. This question was also asked on IRC and resolved in the same way. I did open a trac ticket since the error message is pretty confusing; see trac ticket #2045. Thanks, Jason --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
