#12834: Modify subs so that it can accept multiple equations just like subs_expr
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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: | a56c96969fd5baa0b4fbe53d9f60cbcd89fd8e31
u/vdelecroix/12834 | Stopgaps:
Dependencies: |
-------------------------------------+-------------------------------------
Changes (by vdelecroix):
* status: needs_work => needs_review
* commit: 33fd4491e0014487e18bdc1007d21751d74f8619 =>
a56c96969fd5baa0b4fbe53d9f60cbcd89fd8e31
* branch: u/mjo/ticket/12834 => u/vdelecroix/12834
Comment:
Sorry for the delay!
I added a more complete example comparing maxima/maple/mathematica. Tested
with the last version of maple but I do not have access to Mathematica. So
it lacks some test.
I think I am done. So I let you review my last commit.
note: it is based on 6.7.rc0
Vincent
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Last 10 new commits:
||[http://git.sagemath.org/sage.git/commit/?id=e8b9c05288d4f498960f9c841758723905e90f93
e8b9c05]||{{{Trac 12834: review}}}||
||[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}}}||
--
Ticket URL: <http://trac.sagemath.org/ticket/12834#comment:38>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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