Applies the operator to the given input values
Applies the source operator by adding the source term to f_out
Applies the operator by adding the source terms to b_qn_eq, b_amps_law and b_bpar_eq
Applies the operator by adding the source term to b_ohms_law
Applies the operator by adding the source term to f_out
Initializes the operator
Initializes the source operator
Initializes the timestep
Calculate one time step