lib link libfdm with all deps (umfpack, superlu, arpack …) ns_cube spectral linearization ns_cyl plot slices (like in ns_cube) spectral linearization optional periodicity along z-axis check test test_lapl_cyl_zp check test test_lapl_cyl_slice_phi useful: export MKL_THREADING_LAYER=GNU ffmpeg -framerate 5 -pattern_type glob -i ‘*.png’ -c:v libx264 -pix_fmt yuv420p out.mp4