Status: Valid
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 3835 by [email protected]: Symbolic arguments to lambdify output
http://code.google.com/p/sympy/issues/detail?id=3835
In [34]: lambdify(x, x**2)(x)
Out[34]:
2
x
In [35]: lambdify(x, ln(x))(x)
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
<ipython-input-35-3dc7d0e80444> in <module>()
----> 1 lambdify(x, ln(x))(x)
/sw/lib/python2.7/site-packages/numpy/__init__.pyc in <lambda>(x)
/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/core/expr.pyc in
__float__(self)
239 if result.is_number and result.as_real_imag()[1]:
240 raise TypeError("can't convert complex to float")
--> 241 raise TypeError("can't convert expression to float")
242
243 def __complex__(self):
TypeError: can't convert expression to float
Clearly one of these should work and the other shouldn't.
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