Carl wrote: > Is there any chance that you've assigned a value to x earlier in your > session, so that x is no longer a symbolic variable?
The code was executed in the first cell of the first worksheet that I created after launching Sage 2.9 for the first time. After closing the worksheet, reopening it, and rerunning the code, the problem disappeared and I have been unable to recreate it. Interesting... Ted --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@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-devel URLs: http://sage.scipy.org/sage/ and http://modular.math.washington.edu/sage/ -~----------~----~----~----~------~----~------~--~---
