#11541: Add example with solution_dict and substituting in a matrix
-------------------------------------+-------------------------------------
       Reporter:  kcrisman           |        Owner:  mvngu
           Type:  enhancement        |       Status:  needs_work
       Priority:  minor              |    Milestone:  sage-6.9
      Component:  documentation      |   Resolution:
       Keywords:  beginner matrix    |    Merged in:
  solve symbolic                     |    Reviewers:  Vincent Delecroix
        Authors:  Travis Scholl      |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  b26b32768c3338c31b515bc5c00d443ff9c05948
  u/tscholl2/matrix_solution_11541   |     Stopgaps:
   Dependencies:                     |
-------------------------------------+-------------------------------------
Changes (by vbraun):

 * status:  positive_review => needs_work


Comment:

 Doctest depends on dictionary order of symbolic variables:
 {{{
 sage -t --long src/sage/symbolic/relation.py
 **********************************************************************
 File "src/sage/symbolic/relation.py", line 158, in sage.symbolic.relation
 Failed example:
     solutions
 Expected:
     [{y: 0, x: -I}, {y: 0, x: I}, {y: -1/2, x: 0}]
 Got:
     [{x: -I, y: 0}, {x: I, y: 0}, {x: 0, y: -1/2}]
 **********************************************************************
 1 item had failures:
    1 of 131 in sage.symbolic.relation
     [295 tests, 1 failure, 7.50 s]
 }}}

--
Ticket URL: <http://trac.sagemath.org/ticket/11541#comment:11>
Sage <http://www.sagemath.org>
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