#12922: Implicit derivative
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Reporter: mmarco | Owner: burcin
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.10
Component: calculus | Resolution:
Keywords: implicit derivative | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Miguel Marco | Merged in:
Dependencies: | Stopgaps:
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Comment (by mmarco):
Thanks for the comments. I will try to work on it.
As i said, the reason why it is not a method is that it is not clear to me
what class should it be in.
Is this a method of the expression F? Well, not exactly, since F is not
the function that we are trying to differentiate, but the symbollic
expression that deffines it implicitly.
Of X? This is just the variable with which we differentiate on.
Of Y? Riguorilously that should be the function that we are
differentiating. But doesn't sound natural at all to add a method like
this for symbollic variables.
Or maybe we could define a new class ImplicitelyDefinedSymbolicFunction
for this case, bat that sounds way overkill.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12922#comment:13>
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