bfgsmin works for a version but not for the other

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bfgsmin works for a version but not for the other

by Márcio Diniz :: Rate this Message:

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Hi there!
I am using Octave 2.9.9 and the bfgsmin works well. However, the same code does not work when I try to run it in Octave 3.0.1 - the error message is
"warning: bfgsmin: failure, exiting. Try different start values?" even though I am using the same starting values.
Is there any difference between the bfgsmin versions? If not, what is the problem?
Thanks in advance
Marcio Diniz



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Re: bfgsmin works for a version but not for the other

by Etienne Grossmann-6 :: Rate this Message:

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   Hi Marcio,

maybe your (new) octave and (older) octave-forge versions don't match?

   Hth,

   Etienne

Quoting Márcio Diniz <marcio.alves.diniz@...> (Fri, 4 Sep 2009
08:29:12 -0300):

> Hi there!
> I am using Octave 2.9.9 and the bfgsmin works well. However, the
> same code does not work when I try to run it in Octave 3.0.1 - the
> error message is "warning: bfgsmin: failure, exiting. Try different start
> values?" even though I am using the same starting values.
> Is there any difference between the bfgsmin versions? If not, what
> is the problem?
> Thanks in advance
> Marcio Diniz

--
http://www.isr.ist.utl.pt/~etienne

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Re: bfgsmin works for a version but not for the other

by Michael Creel :: Rate this Message:

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Márcio Diniz wrote:
Hi there!
I am using Octave 2.9.9 and the bfgsmin works well. However, the same code
does not work when I try to run it in Octave 3.0.1 - the error message is
"warning: bfgsmin: failure, exiting. Try different start values?" even
though I am using the same starting values.
Is there any difference between the bfgsmin versions? If not, what is the
problem?
Thanks in advance
Marcio Diniz

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Hi,
The version of __bfgsmin.cc in Octave Forge had some problem, a fixed version was checked in this morning. You can get it at
http://octave.svn.sourceforge.net/viewvc/octave/trunk/octave-forge/main/optim/src/__bfgsmin.cc?revision=6229&view=markup
Just copy it over the version you have, and execute "mkoctfile __bfgsmin.cc"
M.