that's not the key import numpy x=numpy.arange(0,1,.05) y=numpy.sin(x) still can't work
在 Tue, 17 Mar 2009 17:23:53 +0800，dagss <da...@student.matnat.uio.no> 写道: > > On Mar 17, 10:09 am, peak <ggp...@gmail.com> wrote: >> When I run below code in SageNB, it rised error: >> >> import numpy >> x=numpy.arange(0,1,.05) >> y=numpy.sin(2*pi*x) >> >> Traceback (click to the left for traceback) >> ... >> AttributeError: sin >> >> but the same code works well in python, how can I obtain array x & y >> above except using [... for ... in range()] ? > > It's probably because "pi" is a Sage object while you are using a > NumPy function. Use numpy.pi instead. > > (BTW it's a good idea to expand the traceback when you post an error, > easier to figure out what is wrong then.) > > Dag Sverre > > -- 使用 Opera 革命性的电子邮件客户程序: http://www.opera.com/mail/ --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
