Updates:
Labels: -NeedsBetterPatch NeedsReview
Comment #11 on issue 2802 by [email protected]: solve error with expression
with derivative
http://code.google.com/p/sympy/issues/detail?id=2802
A more complete implicit solving is now implemented and the problem of this
issue (which was in solve_linear) has been fixed:
assert solve(x + exp(x)**2, exp(x)) == \
[-sqrt(-x), sqrt(-x)]
assert solve(x + exp(x), x, implicit=True) == \
[-exp(x)]
assert solve(cos(x) - sin(x), x, implicit=True) == \
[]
assert solve(x - sin(x), x, implicit=True) == \
[sin(x)]
assert solve(x**2 + x - 3, x, implicit=True) == \
[-x**2 + 3]
assert solve(x**2 + x - 3, x**2, implicit=True) == \
[-x + 3]
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