Blas and lapack

* https://www.youtube.com/watch?v=Wp0cHUiOHTQ BLAS and LAPACK are linear algebra packages 
* https://www.youtube.com/watch?v=6U5bDOwOK0c How to build LAPACK with cmake
* http://www.netlib.org/lapack/
* http://public.kitware.com/pipermail/cmake/2012-April/049817.html specify lapack directories. 
* http://www.openblas.net/ , git clone https://github.com/xianyi/OpenBLAS.git Just type make to compile the library. https://github.com/cmr/openblas-src/issues/5 compiling errors. 
* sudo apt-get gfortran liblapack-dev libblas-dev libopenblas-dev libblas-dev liblapack-dev libopenblas-base libopenblas-dev
* sudo apt-get install liblapack-dev
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