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Re: [Bug-gsl] fails running gsl_multimin_fdfminimizer_vector_bfgs2

From: Hani Neuvirth-Telem
Subject: Re: [Bug-gsl] fails running gsl_multimin_fdfminimizer_vector_bfgs2
Date: Tue, 17 Jun 2008 20:21:27 +0300

Thanks for your answer.
Unfortunately, this does not explain the problem.

I use GSL version 1.11, on linux. Compiler info. below. An example program 
is attached.

I compile it using:
g++ testGSLMin.cpp -I .../externalTools/GSL/installed/include/ -o 
testGSLMin.exe -L .../externalTools/GSL/installed/lib/ -lgsl -lgslcblas

The output that I get is:
> ./testGSLMin.exe 
./testGSLMin.exe: symbol lookup error: ./testGSLMin.exe: undefined symbol: 

Thank you,

> g++ -v
Reading specs from /usr/lib/gcc/i386-redhat-linux/3.4.5/specs
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man 
--infodir=/usr/share/info --enable-shared --enable-threads=posix 
--disable-checking --with-system-zlib --enable-__cxa_atexit 
--disable-libunwind-exceptions --enable-java-awt=gtk 
Thread model: posix
gcc version 3.4.5 20051201 (Red Hat 3.4.5-2)

Hani Neuvirth-Telem
Machine Learning Group
IBM Research Lab, Israel
Phone: 972-3-7689-404
E-mail: address@hidden

Brian Gough <address@hidden> 
17/06/2008 17:22
Please respond to

Hani Neuvirth-Telem/Haifa/address@hidden
Re: [Bug-gsl] fails running gsl_multimin_fdfminimizer_vector_bfgs2

At Sun, 15 Jun 2008 10:17:11 +0300,
Hani Neuvirth-Telem wrote:
> I tried to test the optimization code that you provide in the
> multimin documentation.  When I replace the algorithm (by setting
> T), to gsl_multimin_fdfminimizer_vector_bfgs2, the code compiles,
> but the executable fails running with the following error:
> ./testGSLMin.exe: symbol lookup error: ./testGSLMin.exe: undefined
> symbol: gsl_multimin_fdfminimizer_vector_bfgs2
> (This small modification works with any other algorithm) How should
> I fix this?

This method was added in version 1.9.  If you use a version older than
that it won't exist.  If this doesn't explain the problem, please send
a complete example program with details of your compiler, operating
system and version of GSL, thanks.

Brian Gough

Attachment: testGSLMin.cpp
Description: Binary data

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