Status: Accepted
Owner: asmeurer
Labels: Type-Defect Priority-Medium Matrices
New issue 2244 by asmeurer: N(Matrix) does not work (but Matrix.evalf()
does)
http://code.google.com/p/sympy/issues/detail?id=2244
In [14]: A.evalf()
Out[14]:
⎡ -0.25 -0.433012701892219⎤
⎢ ⎥
⎣0.433012701892219 -0.25 ⎦
In [15]: N(A)
---------------------------------------------------------------------------
SympifyError Traceback (most recent call last)
/Users/aaronmeurer/Documents/Python/sympy/sympy/<ipython console> in
<module>()
/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/core/evalf.pyc in
N(x, n, **options)
1119 >>> N(Sum(1/k**k, (k, 1, oo)), 4)
1120 1.291
1121
1122 """
-> 1123 return sympify(x).evalf(n, **options)
/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/core/sympify.pyc in
sympify(a, locals, convert_xor, strict)
78
79 try:
---> 80 return converter[cls](a)
81 except KeyError:
82 for superclass in getmro(cls):
/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/matrices/matrices.pyc
in _matrix_sympify(matrix)
1846 # Add sympify converters
1847 def _matrix_sympify(matrix):
-> 1848 raise SympifyError('Matrix cannot be sympified')
1849 converter[Matrix] = _matrix_sympify
1850 del _matrix_sympify
SympifyError: SympifyError: 'Matrix cannot be sympified'
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