'nonlin_curvefit' is a function from the file /usr/local/share/octave/packages/optim-1.5.2/nonlin_curvefit.m
-- Function File: [P, FY, CVG, OUTP] = nonlin_curvefit (F, PIN, X, Y)
-- Function File: [P, FY, CVG, OUTP] = nonlin_curvefit (F, PIN, X, Y,
Frontend for nonlinear fitting of values, computed by a model
function, to observed values.
Please refer to the description of 'nonlin_residmin'. The
differences to 'nonlin_residmin' are the additional arguments X
(independent values, mostly, but not necessarily, an array of the
same dimensions or the same number of rows as Y) and Y (array of
observations), the returned value FY (final guess for observed
values) instead of RESID, that the model function has a second
obligatory argument which will be set to X and is supposed to
return guesses for the observations (with the same dimensions), and
that the possibly user-supplied function for the jacobian of the
model function has also a second obligatory argument which will be
set to X.
Also, if the setting 'user_interaction' is given, additional
information is passed to these functions. Type 'optim_doc ("Common
optimization options")' for this setting.
See also: nonlin_residmin.
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