Re: fmin_powell returns incorrect parameters for simple least-squares problem

Hi,

Sorry to keep on at this one, but it is worrying me.

Do we have anyone reading or known to us who can give a fairly
definitive answer to:

On Thu, Mar 2, 2023 at 10:01 PM Matthew Brett <[email protected]> wrote:
[snip]
> ?   Is it really true that the modification assists Powell in handling
> long skinny valleys?   If so, does it work less well in other
> situations? Has anyone compared the algorithms across a good range of
> problems?

Cheers,

Matthew
_______________________________________________
SciPy-Dev mailing list -- [email protected]
To unsubscribe send an email to [email protected]
https://mail.python.org/mailman3/lists/scipy-dev.python.org/
Member address: [email protected]