Status: Accepted
Owner: nicolas.pourcelot
Labels: Type-Defect Priority-Medium

New issue 2011 by nicolas.pourcelot: less self-confident simplify
http://code.google.com/p/sympy/issues/detail?id=2011

There is some case where simplify result is much more complicated than its input value.

In interactive mode, this is not a problem, but simplify is often used inside other function.

So, if output value is more complicated, it may be better that simplify simply returns input value (at least by default).

One may use .count_ops() to compare input and output complexity.

(See also issue 1694 for some comments on this).

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