Status: Valid
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 3721 by smi...@gmail.com: solve should handle more than one abs
http://code.google.com/p/sympy/issues/detail?id=3721
Although solve handles one abs,
solve(abs(2*x+5),x)
[-5/2]
it fails for multiple abs:
solve(abs(2*x+5)+3*(abs(2*x-2)))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "sympy\solvers\solvers.py", line 826, in solve
solution = _solve(f[0], *symbols, **flags)
File "sympy\solvers\solvers.py", line 1333, in _solve
"\nNo algorithms are implemented to solve equation %s" % f)
NotImplementedError: multiple generators [Abs(2*x + 5), Abs(2*x - 2)]
No algorithms are implemented to solve equation Abs(2*x + 5)
solve(abs(2*x+5) - abs(x-2),x)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "sympy\solvers\solvers.py", line 826, in solve
solution = _solve(f[0], *symbols, **flags)
File "sympy\solvers\solvers.py", line 1333, in _solve
"\nNo algorithms are implemented to solve equation %s" % f)
NotImplementedError: multiple generators [Abs(2*x + 5), Abs(x - 2)]
No algorithms are implemented to solve equation Abs(2*x + 5)
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