SimTools.HardSphere# SimTools.HardSphere.py Copyright (c) 2023, SAXS Team, KEK-PF formfactor_factor(qv, R)# get_model_data(qv, jv, rg, h, mu, sigma, tau, a=0, K=0, error=0, return_error_matrix=False)# structure_factor(qv, K, R)#