Comment #20 on issue 388 by [email protected]: sympification of matrices,
Matrix is not Basic, creation of MutableBasic
http://code.google.com/p/sympy/issues/detail?id=388
Matrix still can't be sympified:
In [2]: sympify(Matrix([[1, 2], [3, 4]]))
---------------------------------------------------------------------------
SympifyError Traceback (most recent call last)
/Users/aaronmeurer/Documents/Python/sympy/sympy/<ipython-input-2-7f7093c1c8bf>
in
<module>()
----> 1 sympify(Matrix([[1, 2], [3, 4]]))
/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/core/sympify.pyc in
sympify(a, locals, convert_xor, strict, rational)
104 for superclass in getmro(cls):
105 try:
--> 106 return converter[superclass](a)
107 except KeyError:
108 continue
/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/matrices/matrices.py
in _matrix_sympify(matrix)
4050 def _matrix_sympify(matrix):
4051 #return matrix.as_immutable()
-> 4052 raise SympifyError('Matrix cannot be sympified')
4053 converter[MatrixBase] = _matrix_sympify
4054 del _matrix_sympify
SympifyError: SympifyError: 'Matrix cannot be sympified'
MutableBasic should probably be a separate issue.
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