#20179: add a free_variables() method?
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Reporter: wonder | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-7.1
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by wonder):
The free variables in an expression are all its variables excluding any
that are bound, for example, in limits, sums, products, or integrals.
See for example
https://en.wikipedia.org/wiki/Free_variables_and_bound_variables for a
definition.
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Ticket URL: <http://trac.sagemath.org/ticket/20179#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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