#17124: Matrix constructor broken for symmetric function rings and 1-column
matrices
------------------------------------------------+------------------------
Reporter: darij | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.4
Component: linear algebra | Resolution:
Keywords: matrix, symmetric functions, | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
------------------------------------------------+------------------------
Comment (by darij):
It's not in the {{{matrix}}} constructor, but in the less frontendish
{{{MatrixSpace}}} init:
{{{
sage: MatrixSpace(h, 1, 1)
Full MatrixSpace of 1 by 1 dense matrices over Symmetric Functions over
Rational Field in the homogeneous basis
sage: MatrixSpace(h, 1, 1)([h[1]])
---------------------------------------------------------------------------
AttributeError Traceback (most recent call
last)
<ipython-input-6-d7504c152076> in <module>()
----> 1 MatrixSpace(h, Integer(1), Integer(1))([h[Integer(1)]])
/home/darij/sage-6.3.beta6/local/lib/python2.7/site-
packages/sage/matrix/matrix_space.pyc in __call__(self, entries, coerce,
copy, sparse)
468 Full MatrixSpace of 3 by 5 dense matrices over Integer
Ring!
469 """
--> 470 return self.matrix(entries, coerce, copy)
471
472 def change_ring(self, R):
/home/darij/sage-6.3.beta6/local/lib/python2.7/site-
packages/sage/matrix/matrix_space.pyc in matrix(self, x, coerce, copy)
1358 copy=False, coerce=coerce)
1359 else:
-> 1360 return MC(self, new_x, copy=False,
coerce=coerce)
1361 except TypeError:
1362 pass
/home/darij/sage-6.3.beta6/local/lib/python2.7/site-
packages/sage/matrix/matrix_generic_dense.so in
sage.matrix.matrix_generic_dense.Matrix_generic_dense.__init__
(build/cythonized/sage/matrix/matrix_generic_dense.c:2850)()
/home/darij/sage-6.3.beta6/local/lib/python2.7/site-
packages/sage/structure/parent.so in sage.structure.parent.Parent.__call__
(build/cythonized/sage/structure/parent.c:9603)()
/home/darij/sage-6.3.beta6/local/lib/python2.7/site-
packages/sage/structure/coerce_maps.so in
sage.structure.coerce_maps.DefaultConvertMap_unique._call_
(build/cythonized/sage/structure/coerce_maps.c:4256)()
/home/darij/sage-6.3.beta6/local/lib/python2.7/site-
packages/sage/structure/coerce_maps.so in
sage.structure.coerce_maps.DefaultConvertMap_unique._call_
(build/cythonized/sage/structure/coerce_maps.c:4163)()
/home/darij/sage-6.3.beta6/local/lib/python2.7/site-
packages/sage/combinat/sf/classical.pyc in _element_constructor_(self, x)
299 # Elements of the base ring #
300 #############################
--> 301 elif x.parent() is R:
302 return eclass(self,
{sage.combinat.partition.Partition([]):x})
303
AttributeError: 'tuple' object has no attribute 'parent'
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/17124#comment:1>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/sage-trac.
For more options, visit https://groups.google.com/d/optout.
