[Octave-bug-tracker] [bug #60208] (optim) lsqnonlin error when outputfcn terminates algorithm

[Olaf Till]

Update of bug #60208 (project octave):

                  Status:                    None => Ready For Test         
             Assigned to:                    None => i7tiol                 

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Follow-up Comment #1:

'nonlin_residmin()' hasn't set lambda in its output if it is interrupted by
user interaction before it has finished optimization.

The patch

https://sourceforge.net/p/octave/optim/ci/8ee59b20dd1c0976e67e66ddeb1a67a505eedc28/

lets 'lsqnonlin()' (and 'lsqcurvefit()') check if lambda is set. If you can
build the package from the repository, you could check if this change works
for you (I haven't tested it).

A workaround would be to use 'nonlin_residmin()' directly and
'residmin_stat()' for the Jacobian.

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