Function polymers::physics::single_chain::wlc::thermodynamics::isometric::legendre::relative_gibbs_free_energy_per_link

pub fn relative_gibbs_free_energy_per_link(
    number_of_links: &u8,
    link_length: &f64,
    persistance_length: &f64,
    end_to_end_length: &f64,
    temperature: &f64
) -> f64

The relative Gibbs free energy per link as a function of the applied end-to-end length and temperature, parameterized by the number of links, link length, and persistance length.