#15831: implement SR.next_variable()
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Reporter: rws | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.2
Component: symbolics | Resolution:
Keywords: variable | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Description changed by rws:
Old description:
> Idea by ppurka in #14403. Something like this, not necessarily digit
> suffixes:
> {{{
> sage: SR.next_variable('x') # suppose x, x0, x1 are already defined
> x2
> sage: SR.next_variable('x2')
> x3
> sage: SR.next_variable('x0y') # suppose that x0y is not yet defined.
> x0y
> }}}
>
> This would be better than
> {{{
> sage: SR.symbol()
> symbol161
> sage: SR.symbol()
> symbol164
> }}}
New description:
Idea by ppurka in #14403. Something like this, not necessarily digit
suffixes:
{{{
sage: SR.next_variable('x') # suppose x, x0, x1 are already defined
x2
sage: SR.next_variable('x2')
x3
sage: SR.next_variable('x0y') # suppose that x0y is not yet defined.
x0y
}}}
This would be better than
{{{
sage: SR.symbol()
symbol161
sage: SR.symbol()
symbol164
}}}
See also #14972
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Ticket URL: <http://trac.sagemath.org/ticket/15831#comment:2>
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