#16840: Enforce that bisotchastic matrices have nonnegative entries
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       Reporter:  aschilling         |        Owner:
           Type:  defect             |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.4
      Component:  statistics         |   Resolution:
       Keywords:  stochastic         |    Merged in:
        Authors:  Anne Schilling     |    Reviewers:
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  public/stochastic/anne/16840       |  41757425b142a2b592aa1ea02fab68e8aa4c8c0c
   Dependencies:                     |     Stopgaps:
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Changes (by aschilling):

 * status:  new => needs_review
 * commit:   => 41757425b142a2b592aa1ea02fab68e8aa4c8c0c
 * branch:   => public/stochastic/anne/16840


Comment:

 New commits:
 
||[http://git.sagemath.org/sage.git/commit/?id=28c2865d2788121cdc1b49a1cc0c56cf5ae35b21
 28c2865]||{{{Fixed is_bistochastic to make sure all entries in the matrix
 are nonnegative}}}||
 
||[http://git.sagemath.org/sage.git/commit/?id=41757425b142a2b592aa1ea02fab68e8aa4c8c0c
 4175742]||{{{Fixed failing doctest in permutation.py}}}||

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Ticket URL: <http://trac.sagemath.org/ticket/16840#comment:1>
Sage <http://www.sagemath.org>
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