Re: Optimization functions undefined

[Olaf Till]

On Wed, Jan 11, 2017 at 11:46:01AM +0100, RICHARD Dominique wrote:
> Hello,
>     I am coming back to an optimization code which used to run smoothly
> few months ago with Octave 3.8
> When I try to rerun it today on a new machine with Octave 4.0.0 and
> optim package 1.4.1,
>  I get the following error :
> 'fmins' undefined near line xxx
> 
> So I checked and this function is on my machine in
> /usr/share/octave/package/optim-1.4.1/ as expected.
> In this same folder I found what seems to me like test files and I tried
> to run : test_min_1.m
> and this time got the error :
> '__bgfsmin' undefined near line xxx
> 
> What's wrong with my installation ?
> How could I get my optimization code to work as it used to ?

You could check for some usual pitfalls:

- wrong permissions for directories or files with package functions

- binary functions (as __bfgsmin) not compiled for new Octave version

These can usually be mended by reinstallation of the package, maybe
after checking the permissions within the package if you installed
from a directory.

If this does not help, you should give more information to enable
others to help you.

Olaf

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