francis questions

francis answers

• Fastest way of solving linear least squares
• Linking several programs with CMake
• numerical diagonalization of a unitary matrix
• How to setup FFTW with threads and different precisions?
• Where is the tag received from MPI_Recv stored in MPI?
• I'm getting zero values using dstev to calculate eigenvectors
• Segmentation fault with LAPACKE dgels_ in C
• Prefactors computing PSD of a signal with numpy.fft VS. scipy.signal.welch
• Looking for a List of LAPACK/BLAS Error code
• What is the use of the WORK parameters in LAPACK routines?