Do you mean something like bool(x^6>-1) Or you can use maxima inside sage and the command is http://maxima.sourceforge.net/docs/manual/en/maxima_5.html#Item_003a-is
I think that in general you can expect poor results in any computer algebra system (like you write about Maple). Robert On 19 Bře, 15:51, PaulBurk <paulburkan...@gmail.com> wrote: > Hi all, > > I'm working on a project, and my professor suggest I post a question > here. > > I'm trying to use programs such as Mathematica, Maple and Sage to test > whether a function is always positive. Maple has an "is" command, > which can be used to test some properties. Sometimes it is > sufficient, other times it fails. > > Does Sage have anything like an "is" command? Is there any other way > to test if a function is always positve/negative? > > Thanks --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
