Status: Accepted
Owner: ----
Labels: Type-Defect Priority-Medium WrongResult
New issue 3162 by asmeu...@gmail.com: Wrong result from as_real_imag
http://code.google.com/p/sympy/issues/detail?id=3162
In [67]: z = Symbol('z')
In [68]: w1 = sqrt((z + 2)/(z - 2))
In [69]: w1.as_real_imag()
Out[69]:
⎛ _______ ⎞
⎜ ╱ z + 2 ⎟
⎜ ╱ ───── , 0⎟
⎝╲╱ z - 2 ⎠
But clearly this expression is not always real, even for real z (take z = 0
for example).
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