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