Performance of tables slower than built in?

[NaN]

On Saturday, 25 May 2019 at 14:58:25 UTC, Ola Fosheim Grøstad 
wrote:
> On Saturday, 25 May 2019 at 12:51:20 UTC, NaN wrote:
>> I used an evolutionary optimisation algorithm on the table all 
>> at once. So you do a weighted sum of max deviation, and 1st 
>> and 2nd order discontinuity at the joins. And minimise that 
>> across the table as a whole. It seemed you could massively 
>> overweight the discontinuities without really affecting the 
>> curve fitting that much. So perfect joins only cost a little 
>> extra deviation in the fit of the polynomial.
>
> Wow, it is pretty cool that you managed to minimize 2nd order 
> discontinuity like that! Is there a paper describing the 
> optimisation algorithm you used?

Its differential evolution, you can pretty much optimise anything 
you can quantify.

http://www1.icsi.berkeley.edu/~storn/code.html