[CCing Michael B. and Alexander D. since they seem to be unaware of this discussion involving PolyBoRi]
On Feb 6, 3:35 am, Martin Albrecht <m...@informatik.uni-bremen.de> wrote: Hi, > > PolyBoRi is automatically used by Sage for GB computations? > > If you construct a BooleanPolynomialRing. See > > http://www.sagemath.org/hg/sage-main/file/b0aa7ef45b3c/sage/rings/pol... > > > On the other hand I calculated my new ideal and I wonder why it takes > > so long for SAGE to evaluate just the ideal and not to compute the GB. > > As I said in my previous posts, I only introduced the ideal, pressed > > evaluate, waited all night long and nothing. So I didn't even got in > > to the GB computation phase. > > > Is this normal? > > No, it should be instant. I assume you're talking about the call > > B.ideal([x1*x2 + ..., x2 + ..., ...]) ? > > > And another last question: should I use SAGE via web or installe it on > > my system? Which one do you think is faster? Does it matter? > > If you run a potentially large calculation it is better *not* to use the > public notebook: > * the public notebook is for evaluating Sage and not for serious research. > * it might put a strain on the system which would be not nice for the other > users of the public notebook Indeed, there are rather tight memory and CPU time limits on a per account basis that you are very likely to run into when doing GBasis computation work. > * there is no guarantee that the server won't be rebooted while your > calculation is running > * there is no guarantee that your data is preserved, although we try. > > Cheers, > Martin Cheers, Michael --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
