dyad.eccentric_anomaly_from_true_anomaly

dyad.eccentric_anomaly_from_true_anomaly(theta, e)

Return the eccentric anomaly

Parameters:

thetaarray-like

True anomaly.

earray-like

Eccentricity.

Returns:

resndarray

Eccentric anomaly.

Examples

Scalar parameters.

>>> eccentric_anomaly_from_true_anomaly(1., 0.5)
0.611063702733245

Array-like parameters defining multiple orbits.

>>> theta, e = [1., 1.], [0.5, 0.5]
>>> eccentric_anomaly_from_true_anomaly(theta, e)
array([0.6110637, 0.6110637])