Status: Valid
Owner: ----
CC: [email protected]
Labels: Type-Defect Priority-Medium Matrices
New issue 3487 by [email protected]: adjoint(A), conjugate(A),
transpose(A) with A a MatrixSymbol
http://code.google.com/p/sympy/issues/detail?id=3487
It should return the appropriate instance of Adjoint, Transpose, or both.
from sympy import *
A = MatrixSymbol('A', 3, 3)
adjoint(A)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "sympy/core/cache.py", line 92, in wrapper
func_cache_it_cache[k] = r = func(*args, **kw_args)
File "sympy/core/function.py", line 281, in __new__
result = super(Function, cls).__new__(cls, *args, **options)
File "sympy/core/cache.py", line 92, in wrapper
func_cache_it_cache[k] = r = func(*args, **kw_args)
File "sympy/core/function.py", line 127, in __new__
evaluated = cls.eval(*args)
File "sympy/functions/elementary/complexes.py", line 542, in eval
obj = arg._eval_adjoint()
File "sympy/matrices/expressions/matexpr.py", line 124, in _eval_adjoint
return self.T.conjugate()
File "sympy/matrices/expressions/matexpr.py", line 136, in conjugate
"conjugate not implemented for %s" % self.__class__.__name__)
NotImplementedError: conjugate not implemented for Transpose
conjugate(A)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "sympy/core/cache.py", line 92, in wrapper
func_cache_it_cache[k] = r = func(*args, **kw_args)
File "sympy/core/function.py", line 281, in __new__
result = super(Function, cls).__new__(cls, *args, **options)
File "sympy/core/cache.py", line 92, in wrapper
func_cache_it_cache[k] = r = func(*args, **kw_args)
File "sympy/core/function.py", line 127, in __new__
evaluated = cls.eval(*args)
File "sympy/functions/elementary/complexes.py", line 487, in eval
obj = arg._eval_conjugate()
AttributeError: 'MatrixSymbol' object has no attribute '_eval_conjugate'
transpose(A)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "sympy/core/cache.py", line 92, in wrapper
func_cache_it_cache[k] = r = func(*args, **kw_args)
File "sympy/core/function.py", line 281, in __new__
result = super(Function, cls).__new__(cls, *args, **options)
File "sympy/core/cache.py", line 92, in wrapper
func_cache_it_cache[k] = r = func(*args, **kw_args)
File "sympy/core/function.py", line 127, in __new__
evaluated = cls.eval(*args)
File "sympy/functions/elementary/complexes.py", line 519, in eval
obj = arg._eval_transpose()
File "sympy/matrices/expressions/matexpr.py", line 112, in _eval_transpose
raise NotImplementedError()
NotImplementedError
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