ZernikeJacobian

lsst.ts.wep.cwfs.ZernikeJacobian(z, x, y, order, nMax=None)

Evaluate the Jacobian of Zernike polynomials in a certain order.

Parameters:

znumpy.ndarray

Coefficient of Zernike polynomials.

xnumpy.ndarray

X coordinate on pupil plane.

ynumpy.ndarray

Y coordinate on pupil plane.

orderstr

Order of Jacobian Matrix. It can be “1st” or “2nd”.

nMaxint, deprecated

Maximum number of Zernike terms. Unused.

Returns:

numpy.ndarray

Jacobian elements in pupil x and y directions in a certain order.