pyFM.optimize.base_functions.LB_commutation¶
- pyFM.optimize.base_functions.LB_commutation(C, ev_sqdiff)¶
Compute the LB commutativity constraint.
- Parameters:
C ((K2, K1) np.ndarray) – Functional map.
ev_sqdiff ((K2, K1) np.ndarray) – [normalized] matrix of squared eigenvalue differences.
- Returns:
energy – LB commutativity squared norm.
- Return type: