#4513: [with patch, needs review] Action of MatrixGroup on a MPolynomialRing
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Reporter: SimonKing | Owner: SimonKing
Type: enhancement | Status: new
Priority: major | Milestone: sage-3.2.1
Component: commutative algebra | Resolution:
Keywords: matrix group, action, polynomial ring |
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Comment (by malb):
{{{
cdef list Im
if isinstance(M,list):
Im = M
}}}
shouldn't Im = M take care of the type checking anyway, so that a try-
except block is sufficient? Also, I think maybe the type of p should be
checked in the {{{__call__}}} method and a friendly error message raised?
Not sure though.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4513#comment:9>
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