#11772: improving error reporting of random_matrix
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Reporter: dimpase | Owner: jason, was
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-4.7.2
Component: linear algebra | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Changes (by dimpase):
* status: new => needs_review
Old description:
> The error message of the call to random_matrix(QQ, 4, 8, rank=5) is quite
> cryptic.
> It should be easy to check that the rank is greater than min(nrows,ncols)
> and throw a ValueError with a meaningful message.
>
> (patch is coming soon)
New description:
The error message of the call to random_matrix(QQ, 4, 8, rank=5) is quite
cryptic.
It should be easy to check that the rank is greater than min(nrows,ncols)
and throw a ValueError with a meaningful message.
A patch, which also fixes a similar small fly in random_subspaces_matrix,
is attached.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11772#comment:1>
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