Install libopenblas-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libopenblas-dev
Optimized BLAS (linear algebra) library (development files)
OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. . Unlike Atlas, OpenBLAS provides a multiple architecture library. . All kernel will be included in the library and dynamically switched to the best architecture at run time (only on x86 arches). . This package includes the static libraries and symbolic links needed for program development.