#7512: fast_callable should respect the variable order in callable symbolic
expressions (treating them like lambda functions rather than like
expressions)
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Reporter: jason | Owner: was
Type: defect | Status:
needs_review
Priority: major | Milestone:
sage-4.4.3
Component: graphics | Keywords:
Author: Robert Bradshaw, Tim Dumol, Jason Grout | Upstream: N/A
Reviewer: Ross Kyprianou | Merged:
Work_issues: |
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Comment(by jason):
Replying to [comment:10 kcrisman]:
> 2. Why did you decide again that 1 and 3 should be different from 2 and
4? I'm just curious, since this seems VERY counter-intuitive to me, since
we go to the trouble of having g(x=1,y=2)==g(y=2,x=1) for callable guys
and not allowing other variable names in them (this came up in the PREP
workshop from a user question).
We do allow other variable names in callable expressions:
{{{
sage: f(x,y)=a*x+y
sage: f(1,2)
a + 2
sage: f(a=2)
2*x + y
}}}
I'm also looking at your other points...
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7512#comment:11>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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