Excellent! This is exactly what I was looking for. Does S() return the tree in memory?
On Wednesday, April 6, 2016 at 4:32:32 PM UTC-5, Nathan Goldbaum wrote: > > > > On Wed, Apr 6, 2016 at 4:09 PM, Nathan Hayden <[email protected] > <javascript:>> wrote: > >> Hi, I'm new to SymPy, but I'm using it to do some simple things already. >> >> I'm wondering, can I feed SymPy an expression and get a tree >> representation back showing me the order of operations used to evaluate the >> expression? I know this is all handled under the hood, but I don't know if >> it's exposed. >> >> >> For example, for the expression: 4 * 5 + 6 * (1 + 2) >> >> I'd like to get something like: >> >> + >> / \ >> * * >> / \ / \ >> 4 5 6 + >> / \ >> 1 2 >> >> Is this a thing? >> > > from sympy.printing.tree import print_tree > from sympy import S > > print_tree(S(' 4 * 5 + 6 * (1 + 2)', evaluate=False)) > > I'm not sure there's a way to make it print like you want, but you should > be able to whip something up following this: > > http://docs.sympy.org/latest/tutorial/manipulation.html > > (particularly the bits toward the bottom). > > -Nathan > > >> -- >> 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] <javascript:>. >> To post to this group, send email to [email protected] <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/90597353-0ff0-42c8-a554-59f4b069cba2%40googlegroups.com >> >> <https://groups.google.com/d/msgid/sympy/90597353-0ff0-42c8-a554-59f4b069cba2%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> 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 [email protected]. To post to this group, send email to [email protected]. 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/96bc2f21-03a4-4cf7-8567-93bc43446c08%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
