Re: [sage-support] Sage showing its work

2010-06-26 Thread William Stein
On Fri, Jun 25, 2010 at 11:44 AM, S. Robert James wrote: > Hi. Checking out sage, and it's amazing.  I'm a bit overwhelmed by its > size, though...  I intend to use it to handle some of the messy > algebraic manipulations while I work on combinatorics.  Can anyone > help with these questions: > >

[sage-support] Sage showing its work

2010-06-25 Thread S. Robert James
Hi. Checking out sage, and it's amazing. I'm a bit overwhelmed by its size, though... I intend to use it to handle some of the messy algebraic manipulations while I work on combinatorics. Can anyone help with these questions: 1) When I enter a sum in sage: > h = sum(h_m, m, 1, 2*n)/2*n # h_