todo(3)

NAME
todo - Todo List

File Particle.cpp
    Implement constructor

File PenningTrap.cpp
    Implement constructor

Implement add_particle

Implement external_E_field

Implement external_B_field

Implement force_on_particle

Implement total_force_external

Implement total_force_particles

Implement total_force

Implement evolve_RK4

Implement evolve_forward_euler