dyad.mean_anomaly_from_true_anomaly

dyad.mean_anomaly_from_true_anomaly(theta, e)

Return the mean anomaly

Parameters:

thetaarray-like

True anomaly.

earray-like

Eccentricity.

Returns:

resndarray

Mean anomaly.

Examples

Scalar parameters.

>>> mean_anomaly_from_true_anomaly(1., 0.5)
0.3241942038914112

Array-like parameters defining multiple orbits.

>>> theta, e = [1., 1.], [0.5, 0.5]
>>> mean_anomaly_from_true_anomaly(theta, e)
array([0.3241942, 0.3241942])