cos_alpha
cos_alpha.d2_site()
cos_alpha.d_site()
cos_alpha.f()
d2_cos_alpha_d_site_finite()
d_cos_alpha_d_site_finite()
exercise()
cos_alpha.d2_sites()
cos_alpha.d_sites()
d2_cos_alpha_d_sites_finite()
d_cos_alpha_d_sites_finite()
compare_derivatives()
d2_exp_i_hx_d_sites_finite()
d_exp_i_hx_d_sites_finite()
exp_i_hx
exp_i_hx.d2_sites()
exp_i_hx.d2_target_d_sites()
exp_i_hx.d_sites()
exp_i_hx.d_target_d_sites()
exp_i_hx.f()
d2_debye_waller_d_u_finite()
d_debye_waller_d_u_finite()
debye_waller
debye_waller.d2_u()
debye_waller.d_u()
debye_waller.f()