#17990: Matrix with Infinity
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Reporter: virmaux | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.6
Component: calculus | Keywords: InfinityRing, matrix, days64
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Because there is no `is_zero` and `is_commutative` method for
`InfinityRing`, a numerous methods fails for matrices with infinity
elements.
{{{
sage: m = Matrix([Infinity])
sage: m.nrows()
1
sage: m.rows()
---------------------------------------------------------------------------
AttributeError Traceback (most recent call
last)
[...]
AttributeError: 'InfinityRing_class' object has no attribute 'is_zero'
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/17990>
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