francis questions

francis answers

• FFT noise frequency remove
• PetscMalloc vs PetscMallocX
• LAPACK/LAPACKE with C++ on LINUX --- Compiling, Linking and Running?
• 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