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I'm reporting the issue I mentioned on the sympy discussion group (https://groups.google.com/forum/#!topic/sympy/gCaEQp0Uqu8)
I'm getting the error below, using sympy 0.7.5 on python 2.7.8, MacOS 10.6.
import sympy as s x= s.Symbol('x') y= 2*s.sin(x) - 2*s.sin(2*x) s.solve(y) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/solvers/solvers.py", line 901, in solve solution = _solve(f[0], *symbols, **flags) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/solvers/solvers.py", line 1289, in _solve return _solve(newf, symbol, **flags) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/solvers/solvers.py", line 1289, in _solve return _solve(newf, symbol, **flags) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/solvers/solvers.py", line 1397, in _solve result = _tsolve(f_num, symbol, **flags) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/solvers/solvers.py", line 2279, in _tsolve return _solve(f, sym, **flags) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/solvers/solvers.py", line 1147, in _solve soln = _solve(m, symbol, **flags) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/solvers/solvers.py", line 1397, in _solve result = _tsolve(f_num, symbol, **flags) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/solvers/solvers.py", line 2320, in _tsolve return _solve(rewrite - rhs, sym, **flags) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/solvers/solvers.py", line 1418, in _solve for den in dens)] File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/solvers/solvers.py", line 1418, in <genexpr> for den in dens)] File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/solvers/solvers.py", line 285, in checksol return abs(val.n(18).n(12, chop=True)) < 1e-9 File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/core/evalf.py", line 1284, in evalf result = evalf(self, prec + 4, options) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/core/evalf.py", line 1184, in evalf r = rf(x, prec, options) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/core/evalf.py", line 457, in evalf_add terms = [evalf(arg, prec + 10, options) for arg in v.args] File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/core/evalf.py", line 1184, in evalf r = rf(x, prec, options) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/core/evalf.py", line 615, in evalf_pow re, im, re_acc, im_acc = evalf(base, prec + 5, options) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/core/evalf.py", line 1190, in evalf re, im = x._eval_evalf(prec).as_real_imag() File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/polys/rootoftools.py", line 425, in _eval_evalf root = findroot(func, x0) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/mpmath/calculus/optimization.py", line 931, in findroot fx = f(x0[0]) File "<string>", line 1, in <lambda> File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/sympy/core/expr.py", line 207, in __float__ raise TypeError("can't convert expression to float") TypeError: can't convert expression to float
The text was updated successfully, but these errors were encountered:
I confirm the bug here.
Sorry, something went wrong.
I suppose there is some underlying issue that will cause that error again, but this now passes and a test has been added so I am closing this.
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I'm reporting the issue I mentioned on the sympy discussion group (https://groups.google.com/forum/#!topic/sympy/gCaEQp0Uqu8)
I'm getting the error below, using sympy 0.7.5 on python 2.7.8, MacOS 10.6.
The text was updated successfully, but these errors were encountered: