[sage-combinat-devel] A Partitions Pickle

2013-12-06 Thread Travis Scrimshaw
Hey everyone, The following gives a PicklingError: sage: P = Partitions(5, max_length=4) sage: loads(dumps(P)) The actual object created in an instance of `IntegerListsLex`, and the pickling error is due to the fact that the global options `PartitionOptions` cannot pickled since it passes la

Re: [sage-combinat-devel] Re: expanding symmetric rational function products in symmetric polynomials

2013-12-06 Thread Nicolas M. Thiery
On Fri, Dec 06, 2013 at 01:39:55AM +0100, Dan Betea wrote: >What I ended up doing was I replaced the negative powers of the y's with >some extra variables (which I can then set in mathematica or elsewhere to >the appropriate negative powers). Turns out we still can't escape >mathema