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[Octave-bug-tracker] [bug #60018] [octave forge] (optim) residmin_stat g
From: |
Markus Mützel |
Subject: |
[Octave-bug-tracker] [bug #60018] [octave forge] (optim) residmin_stat gives error when some variables are flagged as fixed. |
Date: |
Mon, 8 Feb 2021 06:14:40 -0500 (EST) |
User-agent: |
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36 Edg/88.0.705.63 |
Follow-up Comment #2, bug #60018 (project octave):
This seems to be a regression from optim 1.5.3 to optim 1.6.0 (not a
regression in core Octave).
The respective lines in `__resid_min__` are:
https://sourceforge.net/p/octave/optim/ci/default/tree/inst/private/__residmin_stat__.m#l369
## model function
f = @ (p, varargin) f (assign (pfin, o.nonfixed, p), varargin{:});
## jacobian of model function
if (have_dfdp)
f.dfdp = @ (p, hook) ...
f.dfdp (assign (orig_p, o.nonfixed, p), hook)(:, o.nonfixed);
endif
The function handle `f` cannot be indexed with `.`.
Possibly introduced with this changeset:
https://sourceforge.net/p/octave/optim/ci/f35fa39838a1#diff-4
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