Updates:
Status: Started
Labels: -NeedsReview NeedsBetterPatch
Comment #7 on issue 1656 by Vinzent.Steinberg: lambdify does not yield
Symbolic expressions.
http://code.google.com/p/sympy/issues/detail?id=1656
Thank you! Here a few comments:
Your function get_symbols_in_expr() can be replaced with expr.atoms(Symbol):
>>> from sympy import *
>>> var('a b')
(a, b)
>>> e = a**2 + sin(b)
>>> e.atoms()
set([2, a, b])
>>> e.atoms(Symbol)
set([a, b])
Please make sure to have a whitespace after ',' or '#'. Same for ':' when
creating a
dictionary.
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