One example where enumeration of these (with say a fixed sum) is useful is for computing ordered set partitions by breaking the problem up into sets of fixed sizes.
Best, Travis On Thursday, February 21, 2019 at 5:59:56 PM UTC+10, Jori Mäntysalo (TAU) wrote: > > On Tue, 19 Feb 2019, TB wrote: > > > There is the cardinality method of IntegerVectors. Note that the default > for > > min_part is 0. > > So this could be used for...? > > I do not know the area. I was just playing with numbers (original question > was "In how many ways you can arrange a queue of 9 men and 7 women such > that no two women are next to each other?"), and noticed that > .cardinality() in sage/combinat/partition.py even has algorithm-parameter. > So I think there might be existing code just waiting for interface. > > -- > Jori Mäntysalo > > Tampereen yliopisto - Ihminen ratkaisee -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
