#14718: Gelfand-Tsetlin patterns of n=1 and no top row is broken
-----------------------------+----------------------------------------------
Reporter: tscrim | Owner: tscrim
Type: defect | Status: new
Priority: major | Milestone: sage-5.11
Component: combinatorics | Keywords:
Work issues: | Report Upstream: N/A
Reviewers: | Authors: Travis Scrimshaw
Merged in: | Dependencies:
Stopgaps: |
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{{{
sage: list(GelfandTsetlinPatterns(1,1))
---------------------------------------------------------------------------
AttributeError Traceback (most recent call
last)
<ipython-input-2-9c92cfa19317> in <module>()
----> 1 list(GelfandTsetlinPatterns(Integer(1),Integer(1)))
/home/travis/sage-5.10.rc1/local/lib/python2.7/site-
packages/sage/combinat/gelfand_tsetlin_patterns.pyc in __iter__(self)
780 return
781 if self._n == 1:
--> 782 if self._row is not None:
783 yield self.element_class(self, [list(self._row)])
784 elif self._k is not None:
/home/travis/sage-5.10.rc1/local/lib/python2.7/site-
packages/sage/structure/parent.so in
sage.structure.parent.Parent.__getattr__
(build/cythonized/sage/structure/parent.c:6662)()
/home/travis/sage-5.10.rc1/local/lib/python2.7/site-
packages/sage/structure/misc.so in
sage.structure.misc.getattr_from_other_class
(build/cythonized/sage/structure/misc.c:1606)()
AttributeError: 'GelfandTsetlinPatterns_with_category' object has no
attribute '_row'
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14718>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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