#10049: improve documentation of substitute for symbolic expressions
---------------------------+------------------------------------------------
Reporter: burcin | Owner: burcin
Type: enhancement | Status: new
Priority: minor | Milestone: sage-4.6
Component: symbolics | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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The following behavior can be confusing:
{{{
sage: var('x,y,z')
(x, y, z)
sage: t = x+y+z
sage: t.subs({x+y:5})
x + y + z
}}}
The `match()` function for symbolic expressions already provides a link to
the relevant part of the GiNaC tutorial:
http://www.ginac.de/tutorial/Pattern-matching-and-advanced-
substitutions.html
Perhaps the `substitute()` function should do this too.
Reported by Jean-Pierre Flori on sage-devel:
http://groups.google.com/group/sage-devel/t/897b14e456ac077f
See also #10048 which is relevant to that thread.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10049>
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