Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 4091 by [email protected]: Equation log(x+3) + log(x-3)=0
http://code.google.com/p/sympy/issues/detail?id=4091
solve(log(x+3) + log(x-3), x)
Traceback (most recent call last): File "<string>", line 1, in <module>
File "/base/data/home/apps/s~sympy-live-hrd/39.369438448182393855/sympy/sympy/solvers/solvers.py",
line 885, in solve solution = _solve(f[0], *symbols, **flags)
File "/base/data/home/apps/s~sympy-live-hrd/39.369438448182393855/sympy/sympy/solvers/solvers.py",
line 1384, in _solve "\nNo algorithms are implemented to solve
equation %s" % f) NotImplementedError: multiple generators [log(x + 3),
log(x - 3)] No algorithms are implemented to solve equation log(x - 3) +
log(x + 3)
On wolfram the solution exists: http://goo.gl/AxwPkz
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