Function magnetic_energy_density 

pub fn magnetic_energy_density(magnetic_flux_density: f64) -> Option<f64>

Computes magnetic energy density.

Formula: u = B² / (2μ0)

Examples

use use_magnetism::magnetic_energy_density;

let energy_density = magnetic_energy_density(2.0).unwrap();
assert!(energy_density.is_sign_positive());