Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 4092 by [email protected]: simplify misses a simplification!
http://code.google.com/p/sympy/issues/detail?id=4092
from sympy import *
x=Symbol('x')
a=Symbol('a')
simplify(log((a**2*x - a**2 - a*x + 2*a - 1)/(a*(a - 1))))
returns the expression without simplification.
If we focus on the argument of the logarithm
simplify((x*a**2-a**2-a*x+2*a-1)/(a-1))
we get
x - 1 + 1/a
Therefore the simplified original expression should be
log(x - 1 + 1/a)
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