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Monday, May 24, 2010

Matlab 7 startup problem

Recently I had to install Matlab 7 on a Dell Inspiron 1501 laptop running Windows XP SP3. Everything went OK during installation. However, Matlab failed to start: it started, showed the splash screen, show the full application window, and as soon as the prompt was about to appear, all windows closes.
After some googleing I found out that this is caused by Matlab 7 using the wrong version of the Blas library ( Dell Inspiron 1501 has an AMD Athlon processor.
The solution was quite easy (considering how much time I lost to find it): add the environmental variable BLAS_VERSION with the value atlas_Athlon.dll.

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