The detail of heuristic procedure used by Matlab

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It is stated here: "the software uses a heuristic procedure to select the scale value. The heuristic procedure uses subsampling." but did not talk in detail what are the steps of heuristic procedure used to find the kernel scale.
Any thought?

Answers (1)

Payas Bahade
Payas Bahade on 6 Apr 2020
Hi Zeynab,
Similar question has been answered in the community. Please refer the link to the question here.
Hope this helps!
  1 Comment
Zeynab Mousavikhamene
Zeynab Mousavikhamene on 9 Apr 2020
Is the scale value the constant of the kernel? For example in linear kernel like ax+b, a and b are scale values?

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