Changes between Initial Version and Version 1 of Ticket #23891
- Timestamp:
- 09/19/17 08:57:31 (5 years ago)
Legend:
- Unmodified
- Added
- Removed
- Modified
-
Ticket #23891
-
Property
Component
changed from
PLEASE CHANGE
tocombinatorics
-
Property
Type
changed from
PLEASE CHANGE
todefect
-
Property
Summary
changed from
weak_covers is a method of Permutations(4), but does not work
toweak_covers is a method of Permutations(n), but does not work
-
Property
Component
changed from
-
Ticket #23891 – Description
initial v1 1 {{{ 2 sage: Permutations(4)([1,4,3,2]).weak_covers() 3 --------------------------------------------------------------------------- 4 TypeError Traceback (most recent call last) 5 <ipython-input-61-3fd0d11884fd> in <module>() 6 ----> 1 Permutations(Integer(4))([Integer(1),Integer(4),Integer(3),Integer(2)]).weak_covers() 7 8 /home/martin/sage-develop/local/lib/python2.7/site-packages/sage/categories/coxeter_groups.pyc in weak_covers(self, side, index_set, positive) 9 1922 """ 10 1923 return [ self.apply_simple_reflection(i, side=side) 11 -> 1924 for i in self.descents(side=side, index_set = index_set, positive = positive) ] 12 1925 13 1926 def coxeter_sorting_word(self,c): 14 15 TypeError: descents() got an unexpected keyword argument 'index_set' 16 }}}