Re: Modified Akima interpolation

Hi everyone,

Thank you for the proposal. It sounds interesting and yes a keyword in the init sounds better in this case.

But could you point out to a reference in the literature? From a very quick search I did not find much about this modified version. One criteria for inclusion in SciPy is a proven track record in the literature.

Cheers,
Pamphile


> On 11.04.2023, at 14:58, Joseph Fox-Rabinovitz <[email protected]> wrote:
> 
> It seems that the modification only affects the weighing of slopes at the nodes between two flat regions. Adding a new parameter to the existing constructor with a backwards-compatible default value may be better than creating a whole new class.
> 
> Option 1: original=True
> Option 2: modified=False
> 
> It would certainly be nice to have both versions available in scipy.
> 
> - Joe
> 
> On Tue, Apr 11, 2023, 05:52 Edoardo Marconi <[email protected] <mailto:[email protected]>> wrote:
>> Hello everyone,
>> 
>> I was looking for a Scipy equivalent of MATLAB’s 'makima' function (see https://it.mathworks.com/help/matlab/ref/makima.html). Apparently, it does not exist yet, and I could not find any related posts in this mailing list either.
>> 
>> As Matlab provides a clear explanation of this modified version of Akima's algorithm, it was straightforward to implement it starting from the existing 'Akima1DInterpolator' class from scipy.interpolate.
>> 
>> I'd love to see this integrated into SciPy, could a new 'ModifiedAkima1DInterpolator' class be an interesting addition?
>> I have never contributed to SciPy and may need some guidance. Any suggestions on how to proceed?
>> 
>> Thanks in advance for any comments!
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