Having given a lecture on "Numerical Derivatives" just a short time ago, I
would like to mention the following:
Many functions, especially in engineering, are not available as formulas
built simply from arithmetical operators and elementary functions. They are
provided as intricate procedures, a
On Thu, Jul 23, 2009 at 11:07 AM, Ben Bolker wrote:
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>
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> nashjc wrote:
>>
>> >> Gabor G. wrote
>> >> "R does not currently have AD (except for the Ryacas package
>> >> which can do true AD for certain simple one line functions, i..e.
>> >> input the function and output a function represen
nashjc wrote:
>
> >> Gabor G. wrote
> >> "R does not currently have AD (except for the Ryacas package
> >> which can do true AD for certain simple one line functions, i..e.
> >> input the function and output a function representing its
> >> derivative); however, for specific problems o
>> Gabor G. wrote
>> "R does not currently have AD (except for the Ryacas package
>> which can do true AD for certain simple one line functions, i..e.
>> input the function and output a function representing its
>> derivative); however, for specific problems one can get close
>> using deriv a
R does not currently have AD (except for the Ryacas package
which can do true AD for certain simple one line functions, i..e.
input the function and output a function representing its
derivative); however, for specific problems one can get close
using deriv and associated functions or the approach
Hi
I recently gave a presentation about Automatic Differentiation (AD) and R at
the Eighth Euro AD Workshop in Oxford (17/07/09). The presentation was
intended as a general introduction to R and the desire for a generic AD
interface for R. During the presentation I emphasised the need and the
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