sf.apps.similarity.orbit_cardinality

orbit_cardinality(orbit, modes)

Gives the number of samples belonging to the input orbit.

For example, there are three possible samples in the orbit [2, 1, 1] with three modes: [1, 1, 2], [1, 2, 1], and [2, 1, 1]. With four modes, there are 12 samples in total.

Example usage:

>>> orbit_cardinality([2, 1, 1], 4)
12

Parameters

• orbit (list[int]) – orbit; we count how many samples are contained in it

• modes (int) – number of modes in the samples

Returns

number of samples in the orbit

Return type

int

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