Hi Thanks for the info. I'll post over there. Regards
On Jul 19, 2:47 pm, William Stein <[email protected]> wrote: > On Mon, Jul 19, 2010 at 11:46 PM, vasu <[email protected]> wrote: > > Hi all > > I have been using the inner tensor product in the Schur basis. My > > question is : > > > a) Is it just my computer or is this way slower than Stembridge's SF > > package ? > > > For example, SF computes > > > s[14,14].itensor(s[14,13,1]) > > flat:number_field wstein$ sage > ---------------------------------------------------------------------- > | Sage Version 4.5.rc1, Release Date: 2010-07-14 | > | Type notebook() for the GUI, and license() for information. | > ---------------------------------------------------------------------- > sage: s[14,14].itensor(s[14,13,1]) > --------------------------------------------------------------------------- > NameError Traceback (most recent call last) > > /Users/wstein/sage/build/sage-4.5/devel/sage-main/sage/rings/number_field/<ipython > console> in <module>() > > NameError: name 's' is not defined > > > > > in "no time" . But it seems to take quite a lot of time on Sage. I > > have 4 gb memory and it ends up using 2+ gb for this particular > > computation ( if I remember correctly) > > > There's another methods kronecker_product which does the same thing, > > and is slow as well. > > > Any insights? > > You might try posting on the sage-combinat list: > > http://groups.google.com/group/sage-combinat-devel -- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
