#14630: Add `simplify_real` method to symbolic expressions
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Reporter: mjo | Owner: burcin
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.10
Component: symbolics | Keywords:
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
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Symbolic expressions in sage are by default assumed complex. There is a
maxima variable, called the "simplification domain," which affects whether
or not it simplifies `sqrt(x^2)` to `abs(x)`. Since our expressions are
complex, we set the simplification domain to complex, but provide no easy
way to change it.
By adding a `simplify_real()` method to Expression, we give the user a way
to perform the aforementioned simplification by declaring his expression
real.
This might provide a quick fix for #14305. See also:
https://groups.google.com/forum/?fromgroups=#!topic/sage-
support/jhCJujRtNA4/discussion
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14630>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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