Running gnuplot from Matlab under Linux

Question

I am trying to run gnuplot directly from Matlab (running in Debian Linux), but I get the following error:

>> unix('gnuplot defaults_loan10.p');
gnuplot: /usr/local/MATLAB/R2011b/sys/os/glnx86/libstdc++.so.6: version `GLIBCXX_3.4.11' not found (required by /usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0)

Running gnuplot from the console works perfectly well. How can I fix it?

Oli · Accepted Answer · 2012-03-21 12:10:48Z

3

That's because Matlab uses its own LD_LIBRARY_PATH

try to use the command setenv to set back this environment variable as you like.

For instance:

setenv('LD_LIBRARY_PATH','/usr/lib')

You can check the content of LD_LIBRARY_PATH befor and after by executing:

!echo $LD_LIBRARY_PATH

answered Mar 21, 2012 at 12:10

Oli

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4 Comments

Grzenio Over a year ago

So what should be the correct Matlab code to run? Sorry, I am not really experienced with Matlab...

Oli Over a year ago

Do you have experience with linux?

Grzenio Over a year ago

Just checked that this one also works: unix('LD_LIBRARY_PATH=/lib;gnuplot defaults_loan10.p');

Oli Over a year ago

If it works that is indeed a LD_LIBRARY_PATH issue, in your case, setenv('LD_LIBRARY_PATH','/lib');unix('gnuplot defaults_loan10.p'); should also work.

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