On Oct 18, 2008, at 10:14 PM, Alex Ghitza wrote: > Hmmm. As far as I know you can use _ as a placeholder for a > variable, and it's meant for this kind of use (where you don't > really want to introduce a new variable name). It's strange that > it doesn't work for you. Can you post the error message that you get?
Actually, _ is an actual variable, though personally I find it a bit harder to read than a normal letter. The one special thing about it (in ipython at least) is that it constantly gets reassigned to the last returned value, e.g. sage: 1+2 3 sage: _ 3 - Robert --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
