#12834: Modify subs so that it can accept multiple equations just like subs_expr
-------------------------------------+-------------------------------------
       Reporter:  JoalHeagney        |        Owner:  AlexGhitza
           Type:  enhancement        |       Status:  needs_review
       Priority:  minor              |    Milestone:  sage-6.4
      Component:  symbolics          |   Resolution:
       Keywords:  subs algebra       |    Merged in:
  solving                            |    Reviewers:  Vincent Delecroix,
        Authors:  Michael Orlitzky,  |  Michael Orlitzky
  Vincent Delecroix                  |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  66b961cffbf0e6ba451c36a1b792219a8d63b93f
  u/mjo/ticket/12834                 |     Stopgaps:
   Dependencies:                     |
-------------------------------------+-------------------------------------
Changes (by mjo):

 * commit:  a56c96969fd5baa0b4fbe53d9f60cbcd89fd8e31 =>
     66b961cffbf0e6ba451c36a1b792219a8d63b93f
 * branch:  u/vdelecroix/12834 => u/mjo/ticket/12834


Comment:

 I made some minor cosmetic fixes (typo fix and word-wrap). Other than that
 it looks good to me. As long as those optional tests work (I don't have
 maple/mathematica), you can mark it positive review.
 ----
 Last 10 new commits:
 
||[http://git.sagemath.org/sage.git/commit/?id=81ebcdc0a33910aee43ca01ea469e46d778dd7d1
 81ebcdc]||{{{Trac 12834: fix the french book that is using subs_expr}}}||
 
||[http://git.sagemath.org/sage.git/commit/?id=f7a233b480b9919873fd01eff35023f63a99105f
 f7a233b]||{{{Trac #12834: Avoid iterating over the substitution dict
 twice.}}}||
 
||[http://git.sagemath.org/sage.git/commit/?id=322981ed8b2da9cb13314d60d5cc54fc569f2c8f
 322981e]||{{{Trac #12834: Ensure consistent failures by sorting duplicate
 substitutions.}}}||
 
||[http://git.sagemath.org/sage.git/commit/?id=003fa0061ba7748acfcb00b8097087ac6da1f2b5
 003fa00]||{{{Trac #12834: Test equality of dictionaries to avoid sorting
 bugs.}}}||
 
||[http://git.sagemath.org/sage.git/commit/?id=5460cfc00d8429cf3878a8951a70d3019f245238
 5460cfc]||{{{Trac #12834: Mention the tuple representation in
 _subs_make_dict's docstring.}}}||
 
||[http://git.sagemath.org/sage.git/commit/?id=e6170948c84d5d790508fdd9598a125fd866e142
 e617094]||{{{Trac #12834: Manually word-wrap some lines.}}}||
 
||[http://git.sagemath.org/sage.git/commit/?id=37aa1f81724b03fb60c2b8fd0b7e989e3243452a
 37aa1f8]||{{{Trac #12834: Simplify duplicate detection in
 _dict_update_check_duplicate.}}}||
 
||[http://git.sagemath.org/sage.git/commit/?id=d2d58a312386ed978ebe8d5646561736654186e1
 d2d58a3]||{{{Trac #12834: Fix hash lookup in
 _dict_update_check_duplicate.}}}||
 
||[http://git.sagemath.org/sage.git/commit/?id=a56c96969fd5baa0b4fbe53d9f60cbcd89fd8e31
 a56c969]||{{{Trac 12834: more details substitution examples}}}||
 
||[http://git.sagemath.org/sage.git/commit/?id=66b961cffbf0e6ba451c36a1b792219a8d63b93f
 66b961c]||{{{Trac #12834: Typo fix and manually word-wrap a few
 doctests.}}}||

--
Ticket URL: <http://trac.sagemath.org/ticket/12834#comment:39>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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