[MacPorts] #48137: octave-stk @2.2.0_0: update to 2.3.1

[MacPorts]

#48137: octave-stk @2.2.0_0: update to 2.3.1
---------------------------------+--------------------------------
 Reporter:  mschamschula@…       |      Owner:  macports-tickets@…
     Type:  update               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.3.3
 Keywords:  haspatch maintainer  |       Port:  octave-stk
---------------------------------+--------------------------------
 octave-stk has been updated to version 2.3.1:

 ** Bug fixes

 * stk_optim_hasfmincon.m: Detect fmincon by trying to use it, instead of
 relying on the result of the exist function.
 * stk_param_estim.m: Make sure that the bounds that we use for the lnv
 parameter contain the starting point lnv0 when it is provided.
 * @stk_dataframe/set.m: Fix stk_error calls (missing mnemonic).
 * stk_distrib_bivnorm_cdf.m: Fix a bug in the case of mixtures of singular
 and non-singular cases.
 * @stk_dataframe/subsasgn.m: Preserve column names when deleting rows,
 even if the resulting array is empty.

 ** Minor changes
 * stk_init.m: Clear persistent variables. As a consequence, stk_init can
 now be used to restart STK completely.
 * stk_commonsize.m: Accept empty dimensions, under the condition that all
 input arguments have the same empty dimensions (in which case the result
 is empty).
 * stk_commonsize.m: is now faster when some arguments already have the
 proper size (unnecessary calls to repmat are avoided).
 * stk_distrib_normal_cdf.m, stk_distrib_bivnorm_cdf.m: are now slightly
 faster (unnecessary calls to stk_commonsize are avoided).

 Hopefully, this update also obsoletes #47478 regarding the installation
 issues. See http://octave.1599824.n4.nabble.com/On-the-use-of-PKG-ADD-PKG-
 DEL-directives-in-the-stk-package-td4671049.html

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Ticket URL: <https://trac.macports.org/ticket/48137>
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