#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_work
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: | 24b98a061c140e9f76b171eb3dd1be0fa44d36b8
u/mjo/ticket/12834 | Stopgaps:
Dependencies: |
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Comment (by vdelecroix):
I just asked some collegues and maple does
{{{
>> subs(x = t, x + x^2 + x^3)
3 2
t + t + t
>> subs(x^2 = t, x + x^2 + x^3)
3
x + t + x
>> subs(x + x^3 = t, x + x^2 + x^3)
3 2
x + x + x
>> subs(x + x^2 = t, x + x^2 + x^3)
3 2
x + x + x
>> subs(x + x^2 + x^3 = t, x + x^2 + x^3)
t
}}}
It would be cool to have these doctests. I found these examples simpler
than what we currently have.
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Ticket URL: <http://trac.sagemath.org/ticket/12834#comment:25>
Sage <http://www.sagemath.org>
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