dtheta_dphi

mmtwfs.zernike.dtheta_dphi(m, phi)[source] [edit on github]

Calculate the first derivative of the m-th Zernike angular mode on coordinate grid phi

Parameters
mint

m-th azimuthal Zernike index

phi2D ndarray

Azimuthal coordinate grid

Returns
dtheta2D ndarray

Angular slopes of mode, m, with identical shape as phi