[sage-support] Re: installing 4.3 on Snow Leopard

2010-01-06 Thread Barry Dewitt
It does work! Thanks Dr. Stein. Barry On Jan 5, 7:57 pm, William Stein wrote: > On Tue, Jan 5, 2010 at 4:53 PM, Barry Dewitt wrote: > > Hi, > > > I recently upgraded my three-year old Macbook which was running OS > > 10.4 to Snow Leopard (a holiday gift from th

[sage-support] installing 4.3 on Snow Leopard

2010-01-05 Thread Barry Dewitt
Hi, I recently upgraded my three-year old Macbook which was running OS 10.4 to Snow Leopard (a holiday gift from the family). I downloaded sage 4.3 for 10.6 but it won't work; my terminal prints out "env: python: Bad CPU type in executable". I have a feeling (but I'm somewhat of a novice about t

[sage-support] "Recovering" permutations from poset elements

2009-12-18 Thread Barry Dewitt
Hi, I've created a poset of permutation elements using the Bruhat partial order: bruhat_p_order = lambda p,q : p.bruhat_lequal(q) my_poset = Poset([perms, bruhat_p_order]) It seems that when I create the poset, the elements are no longer permutations but "PosetElement"s, and I can't figure out h