Function compute_h_phi_psi_b

fn compute_h_phi_psi_b<V: MyFloat>(
    state: &StateOpinions<V>,
    fixed: &FixedOpinions<V>,
    base_rate_b: &MArrD1<B, V>,
    base_rate_h: &MArrD1<H, V>,
) -> MArrD3<Phi, Psi, B, SimplexD1<H, V>>