I got my error, i mixed prod and cartesian_product.
Am 14.08.2011 16:50, schrieb Johannes:
> Hi list,
> i tried to compute the product of two matrix groups and run in a gap
> parsing error.
> Miniexample:
> g1 = MatrixGroup([Matrix(CC,[[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, -1, 0],
> [0, 0, 0, 1]])])
> g2 = MatrixGroup([Matrix(CC,[[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0],
> [0, 0, 0, I]])])
> g1.prod(g2)
>
> this leads to the following output:
> ERROR: An unexpected error occurred while tokenizing input
> The following traceback may be corrupted or invalid
> The error message is: ('EOF in multi-line statement', (146, 0))
>
> ERROR: An unexpected error occurred while tokenizing input
> The following traceback may be corrupted or invalid
> The error message is: ('EOF in multi-line statement', (396, 0))
>
> ERROR: An unexpected error occurred while tokenizing input
> The following traceback may be corrupted or invalid
> The error message is: ('EOF in multi-line statement', (29, 0))
>
> ERROR: An unexpected error occurred while tokenizing input
> The following traceback may be corrupted or invalid
> The error message is: ('EOF in multi-line statement', (5, 0))
>
> ERROR: An unexpected error occurred while tokenizing input
> The following traceback may be corrupted or invalid
> The error message is: ('EOF in multi-line statement', (29, 0))
>
> ERROR: An unexpected error occurred while tokenizing input
> The following traceback may be corrupted or invalid
> The error message is: ('EOF in multi-line statement', (5, 0))
>
> ---------------------------------------------------------------------------
> TypeError Traceback (most recent call last)
>
> /home/j_schn14/studium/diplarbeit/tex/<ipython console> in <module>()
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/categories/monoids.pyc
> in prod(self, args)
> 145 'ab'
> 146 """
> --> 147 return prod(args, self.one())
> 148
> 149 def _test_prod(self, **options):
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/misc/cachefunc.pyc
> in __call__(self, *args, **kwds)
> 553 return self.cache[k]
> 554 except KeyError:
> --> 555 w =
> self._cachedmethod._instance_call(self._instance, *args, **kwds)
> 556 self.cache[k] = w
> 557 return w
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/misc/cachefunc.pyc
> in _instance_call(self, inst, *args, **kwds)
> 776
> 777 """
> --> 778 return self._cachedfunc.f(inst, *args, **kwds)
> 779
> 780 def _get_instance_cache(self, inst):
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/categories/monoids.pyc
> in one(self)
> 81 ''
> 82 """
> ---> 83 return self(1)
> 84
> 85 def one_element(self):
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/groups/matrix_gps/matrix_group.pyc
> in __call__(self, x)
> 249 M = self.matrix_space()(x)
> 250 g = self.element_class(M, self)
> --> 251 if not gap(g) in gap(self):
> 252 raise TypeError, "no way to coerce element to self."
> 253 return g
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/interfaces/expect.pyc
> in __call__(self, x, name)
> 1099 return cls(self, x, name=name)
> 1100 try:
> -> 1101 return self._coerce_from_special_method(x)
> 1102 except TypeError:
> 1103 raise
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/interfaces/expect.pyc
> in _coerce_from_special_method(self, x)
> 1123 s = '_gp_'
> 1124 try:
> -> 1125 return (x.__getattribute__(s))(self)
> 1126 except AttributeError:
> 1127 return self(x._interface_init_())
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/structure/sage_object.so
> in sage.structure.sage_object.SageObject._gap_
> (sage/structure/sage_object.c:3909)()
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/structure/sage_object.so
> in sage.structure.sage_object.SageObject._interface_
> (sage/structure/sage_object.c:3428)()
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/groups/matrix_gps/matrix_group_element.py
> in _gap_init_(self)
> 166 true
> 167 """
> --> 168 return self.__mat._gap_init_()
> 169
> 170 def _gap_latex_(self):
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/matrix/matrix1.so
> in sage.matrix.matrix1.Matrix._gap_init_ (sage/matrix/matrix1.c:2277)()
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/interfaces/expect.pyc
> in __call__(self, x, name)
> 1099 return cls(self, x, name=name)
> 1100 try:
> -> 1101 return self._coerce_from_special_method(x)
> 1102 except TypeError:
> 1103 raise
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/interfaces/expect.pyc
> in _coerce_from_special_method(self, x)
> 1123 s = '_gp_'
> 1124 try:
> -> 1125 return (x.__getattribute__(s))(self)
> 1126 except AttributeError:
> 1127 return self(x._interface_init_())
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/structure/sage_object.so
> in sage.structure.sage_object.SageObject._gap_
> (sage/structure/sage_object.c:3909)()
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/structure/sage_object.so
> in sage.structure.sage_object.SageObject._interface_
> (sage/structure/sage_object.c:3554)()
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/interfaces/expect.pyc
> in __call__(self, x, name)
> 1097
> 1098 if isinstance(x, basestring):
> -> 1099 return cls(self, x, name=name)
> 1100 try:
> 1101 return self._coerce_from_special_method(x)
>
> /opt/sage-4.6/local/lib/python2.6/site-packages/sage/interfaces/expect.pyc
> in __init__(self, parent, value, is_name, name)
> 1524 except (TypeError, KeyboardInterrupt, RuntimeError,
> ValueError), x:
> 1525 self._session_number = -1
> -> 1526 raise TypeError, x
> 1527 self._session_number = parent._session_number
> 1528
>
> TypeError: Gap produced error output
> Variable: 'Complex' must have a value
>
> Syntax error: ; expected
> $sage8:=Complex Field with 53 bits of precision;;
> ^
> Variable: 'with' must have a value
>
> Variable: 'bits' must have a value
>
> Variable: 'precision' must have a value
>
>
> executing $sage8:=Complex Field with 53 bits of precision;;
>
> greatz Johannes
>
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