I'm not clear, what work would it have to do twice? Aaron Meurer
On Wed, Nov 4, 2020 at 1:45 PM Jason Moore <[email protected]> wrote: > > I could do that, but for very long expressions this means cse has to do the > work twice. This can be time consuming for long expressions. > > Jason > moorepants.info > +01 530-601-9791 > > > On Wed, Nov 4, 2020 at 9:33 PM Aaron Meurer <[email protected]> wrote: >> >> Is it just a question of replacing the old cse symbols in the new >> expression before calling cse, then merging the results? I think that >> wouldn't be hard, though probably complicated enough that direct >> support could be added. >> >> >> Aaron Meurer >> >> On Wed, Nov 4, 2020 at 11:40 AM Jason Moore <[email protected]> wrote: >> > >> > Hi, >> > >> > I'd like to be able to do something like this: >> > >> > expr = .... >> > com_sub_exprs, simplified_expr = cse(expr) >> > new_expr = do_operations_on(simplified_expr) >> > com_sub_exprs, simpflied_new_expr = cse(new_expr, start_with=com_sub_exprs) >> > >> > This would let the cse() of new_expr use the existing set of sub >> > expressions as the starting set and add more as needed, as those >> > subexpression may exist in new_expr. >> > >> > Is there a way to do this with existing functionality or would I need to >> > add this "start_with" piece to cse() as a new feature? >> > >> > Thanks, >> > >> > Jason >> > moorepants.info >> > +01 530-601-9791 >> > >> > -- >> > 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 [email protected]. >> > To view this discussion on the web visit >> > https://groups.google.com/d/msgid/sympy/CAP7f1AgCh2yqarPodb-EhZ8X_Gp7SxuscDo57jSkLt371y9swQ%40mail.gmail.com. >> >> -- >> 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 [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sympy/CAKgW%3D6J3mtqLU%3DG6y%2BzrAX_oq8DLTqPfTj%2Bp3_cP36Ub_qk8%3DA%40mail.gmail.com. > > -- > 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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/CAP7f1AjH4ncRALDnK2c%3DZW%2BTGeXcQDHa1M-XDSHur3QqvTDV2A%40mail.gmail.com. -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAKgW%3D6LSobhOPTxEZWjrknJ%3DwXe7ggRBb50MN6epJvOOSNFkog%40mail.gmail.com.
