Perhaps the loosely connected components could be identified in some canonical way. #16225 <https://github.com/sympy/sympy/pull/16225>
On Wednesday, March 13, 2019 at 2:11:00 PM UTC-5, Aaron Meurer wrote: > > If you follow the StackOverflow links at > https://github.com/sympy/sympy/issues/11869 you can see some > suggestions on how to do this sort of thing. > > Aaron Meurer > > On Sun, Mar 10, 2019 at 12:56 AM Mark Juers <mpj...@gmail.com > <javascript:>> wrote: > > > > I'm a 4th-year PhD student in evolutionary biology at Indiana University > in Bloomington, IN. I've been using Python for about a year for various > biology projects and am working on a package related to my dissertation > work. I am looking to replace Mathematica with SymPy in my workflow. I use > Git and Github for my research projects and for personal projects, > dotfiles, etc. as well. > > > > Now for my question. Suppose I have an expression like the following: > > > > from sympy import * > > var('a:d') > > w = Wild('w') > > test = a * (1 - c) + b * (c - 1) + d > > > > I'd like to rewrite test as (a - b) * (1 - c) + d > > I tried test.replace(a * w - b * w, collect(a * w - b * w, w)), but this > does not work. > > > > Many thanks in advance for your help. > > > > -- > > You received this message because you are subscribed to the Google > Groups "sympy" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to sympy+un...@googlegroups.com <javascript:>. > > To post to this group, send email to sy...@googlegroups.com > <javascript:>. > > Visit this group at https://groups.google.com/group/sympy. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/e14dd72b-ddc3-4280-93a3-faa42af092a3%40googlegroups.com. > > > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To post to this group, send email to sympy@googlegroups.com. Visit this group at https://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/b2fddcd9-6982-4e63-b01f-9080fc76d32a%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
