kAxis

Centered Nx-by-1 x-wavenumber axis in \(\mathrm{rad\,m^{-1}}\).

---

Discussion

Centered Nx-by-1 x-wavenumber axis in \(\mathrm{rad\,m^{-1}}\).

kAxis is an Nx-by-1 vector in radians per meter, ordered from negative to positive wavenumbers with zero centered as by fftshift. Adjacent entries are separated by dk.