Re: [sage-support] Re: [sage-edu] GR package

2010-02-05 Thread Felix Lenders
Hi, you could also check out reduce[1] with the redten[2] package, which worked very well and fast(!) for me, not comparable to the Maple tensor package. Regards, Felix [1] http://www.reduce-algebra.com/ [2] http://www.utsc.utoronto.ca/~harper/redten.html -- To post to this group, send email t

Re: [sage-support] bug in numerical approximation?

2010-01-24 Thread Felix Lenders
Alex Raichev schrieb: Hi, > Am i doing something wrong, or does the example below demonstrate a > bug in Sage's n() function? > sage: a= gamma(1/3) > sage: a.n() > 2.67893853470775 > sage: f= a*x > sage: c=f.coefficients(); c > [[gamma(1/3), 1]] > sage: c[0][0].n() >

[sage-support] sage-mode

2010-01-08 Thread Felix Lenders
Hi, at first I want to thank you very much for sage which is a great piece of software; it was for long time my wish to have an open source math system. I am currently running sage via the sage-mode emacs interface (emacs 23 under a debian testing kde 4 environment). However, I have with this in