From: <i7...@us...> - 2012-05-24 06:51:10
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Revision: 10513 http://octave.svn.sourceforge.net/octave/?rev=10513&view=rev Author: i7tiol Date: 2012-05-24 06:50:59 +0000 (Thu, 24 May 2012) Log Message: ----------- Updated NEWS and nonlin_min help. Modified Paths: -------------- trunk/octave-forge/main/optim/INDEX trunk/octave-forge/main/optim/NEWS trunk/octave-forge/main/optim/inst/nonlin_min.m Modified: trunk/octave-forge/main/optim/INDEX =================================================================== --- trunk/octave-forge/main/optim/INDEX 2012-05-24 06:03:47 UTC (rev 10512) +++ trunk/octave-forge/main/optim/INDEX 2012-05-24 06:50:59 UTC (rev 10513) @@ -12,6 +12,7 @@ fminsearch cg_min de_min + nonlin_min Data fitting expfit wpolyfit Modified: trunk/octave-forge/main/optim/NEWS =================================================================== --- trunk/octave-forge/main/optim/NEWS 2012-05-24 06:03:47 UTC (rev 10512) +++ trunk/octave-forge/main/optim/NEWS 2012-05-24 06:50:59 UTC (rev 10513) @@ -3,7 +3,7 @@ ** The following functions are new optim 1.1.0: - powell cauchy + powell cauchy nonlin_min ** The following functions have been deprecated since they have been implemented in Octave core: @@ -23,6 +23,23 @@ deriv linprog - ** The function `line_min' has a configurable setpesize and max evals + ** The function `line_min' has a configurable setpesize and max evals. + ** Added possibility to restrict a parameter to samin. + ** Package is no longer automatically loaded. + + +Some important changes of the last versions of optim before 1.1.0: +------------------------------------------------------------------ + + ** New functions: + + jacobs: complex step derivative approximation + + nonlin_residmin, nonlin_curvefit: Frontends with a general + interface for constrained residual-based optimization. They + allow a.o. optimization of structure-based named parameters or + parameter-arrays. A backend is included, which is derived from + the algorithm of leasqr, but enables feasible-path optimization + with linear and general constraints. Modified: trunk/octave-forge/main/optim/inst/nonlin_min.m =================================================================== --- trunk/octave-forge/main/optim/inst/nonlin_min.m 2012-05-24 06:03:47 UTC (rev 10512) +++ trunk/octave-forge/main/optim/inst/nonlin_min.m 2012-05-24 06:50:59 UTC (rev 10513) @@ -17,13 +17,14 @@ ## @deftypefn {Function File} {[@var{p}, @var{objf}, @var{cvg}, @var{outp}] =} nonlin_min (@var{f}, @var{pin}) ## @deftypefnx {Function File} {[@var{p}, @var{objf}, @var{cvg}, @var{outp}] =} nonlin_min (@var{f}, @var{pin}, @var{settings}) ## -## Frontend for nonlinear minimization of a scalar objective function. -## The functions supplied by the user have a minimal interface; any -## additionally needed constants can be supplied by wrapping the user -## functions into anonymous functions. +## Frontend for constrained nonlinear minimization of a scalar objective +## function. The functions supplied by the user have a minimal +## interface; any additionally needed constants can be supplied by +## wrapping the user functions into anonymous functions. ## ## At the moment there is only a stochastic backend implemented, so that -## some settings in the frontend have no use. +## some settings in the frontend have no use. A backend for +## feasible-path sequential quadratic programming is being worked on. ## ## The following description applies to usage with vector-based ## parameter handling. Differences in usage for structure-based This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site. |