Status: Accepted
Owner: [email protected]
Labels: Type-Defect Priority-Medium
New issue 2746 by [email protected]: simplify should not try to remove all
radicals
http://code.google.com/p/sympy/issues/detail?id=2746
In general, removing a radical from the denominator is not going to make an
expression simpler:
>>> eq=1/(3 + sqrt(y))
>>> simplify(eq)
(-sqrt(y) + 3)/(-y + 9)
>>> count_ops(_)
5
>>> count_ops(eq)
4
But for a single radical containing term added to a Number or Number*I the
new expression is more 'standard' and in that sense might be considered
simpler. I think the intent was to remove numbers like `1 + sqrt(3)` from
the denominator. Making that constraint doesn't cause any tests to fail and
everything runs faster.
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