xnn.common.models.charge_solve.charge_energy# xnn.common.models.charge_solve.charge_energy(chi, hardness, q)[source]# Per-atom chi_i q_i + 1/2 J_i q_i^2, (n,); the Ewald part is EwaldSummation’s energy of the same charges. Parameters: chi (Tensor) hardness (Tensor) q (Tensor) Return type: Tensor