Function polymers::physics::single_chain::efjc::thermodynamics::isotensional::asymptotic::legendre::relative_helmholtz_free_energy

pub fn relative_helmholtz_free_energy(
    number_of_links: &u8,
    link_length: &f64,
    link_stiffness: &f64,
    force: &f64,
    temperature: &f64
) -> f64

The relative Helmholtz free energy as a function of the applied force and temperature, parameterized by the number of links, link length, and link stiffness.