Yes, that looks like exactly the functionality I wanted! Why doesn't the documentation at
http://doc.sagemath.org/html/en/reference/combinat/sage/combinat/integer_vector.html link to the documentation for integer lists? --Ursula. On Thursday, September 28, 2017 at 10:27:14 AM UTC-4, vdelecroix wrote: > > Do you mean > > sage: IntegerListsLex(length=2, min_sum=0, max_sum=5).list() > [[5, 0], > [4, 1], > [4, 0], > [3, 2], > [3, 1], > [3, 0], > [2, 3], > [2, 2], > [2, 1], > [2, 0], > [1, 4], > [1, 3], > [1, 2], > [1, 1], > [1, 0], > [0, 5], > [0, 4], > [0, 3], > [0, 2], > [0, 1], > [0, 0]] > > On 28/09/2017 15:55, u...@umich.edu <javascript:> wrote: > > In preparation for Sage Days 91, I'm looking at the thesis of Malcolm > Kotok > > (as in https://trac.sagemath.org/ticket/19865 ). That thesis > incorporates a > > class to list all non-negative integer vectors of a fixed length with > sum > > less than n. > > > > I see that we already have an IntegerVectors class for non-negative > integer > > vectors with sum exactly n: > > > > > http://doc.sagemath.org/html/en/reference/combinat/sage/combinat/integer_vector.html > > > > > Would it be useful to expand that class to list vectors with sum at most > n? > > If so, what should the input parameters look like? > > > > --Ursula Whitcher. > > > -- 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.
