firstOrderFiniteDifference

pyCGM2.Math.derivation.firstOrderFiniteDifference(values: ndarray, sampleFrequency: int) → ndarray

First-order differentiation of an array using finite difference method.

Parameters:

• values (np.ndarray) – Array of values to differentiate.

• sampleFrequency (int) – Sampling frequency of the data.

Returns:

np.ndarray – First-order derivative values.