#8276: The one of MatrixSpace can be changed !
------------------------------+---------------------------------------------
Reporter: hivert | Owner: hivert
Type: defect | Status: new
Priority: major | Milestone: sage-4.3.3
Component: algebra | Keywords: One mutable.
Author: Florent Hivert | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
------------------------------+---------------------------------------------
{{{
sage: A = MatrixSpace(ZZ, 3)
sage: A.one()
[1 0 0]
[0 1 0]
[0 0 1]
sage: A.one()[1,2] = 1
sage: A.one()
[1 0 0]
[0 1 1]
[0 0 1]
}}}
Indeed it is mutable an cached !
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8276>
Sage <http://www.sagemath.org>
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