system

Perpendicular wavenumber, normalized by inverse reference inertial length, $k_\perp d_p$.

Parallel wavenumber, normalized by inverse reference inertial length, $k_\parallel d_p$.

Number of plasma components.

Number of dispersion solutions under consideration.

Choice of: (T) searching for roots over a map in complex frequency space, via map_read; (F) input (nroots) guesses for solutions, via solution_read

Write or suppress output to screen.

Number of perpendicular momentum space grid points, $N_\perp$.

Number of parallel momentum space grid points, $N_\parallel$.

Number of grid points in relativitic $\Gamma=\sqrt{1+\frac{p_\perp^2+p_\parallel^2}{m_j^2c^2}}$, $N_\Gamma$ (Eqn. 3.14).

Number of grid points in dimensionless paralell momentum $\bar{p}_\parallel = p_\parallel/m_j c$, $N_{\bar{p}_\parallel}$.

Alfven Velocity, normalized to speed of light, $v_{Ap}/c$.

Name of input files for distributions.

Calculate Bessel functions until the maximum is less than this value.

Selection of root finding method. 0: secant 1: rtsec 2: secant_osc: an improvement to reduce oscillatory loops.

Maximum number of iterations in secant method.

Minimum threshold for secant method.

Size of bounding region for secant method.

Size of allowable difference between roots.

Number of parallel momentum steps distant from the resonant momentum included in the numerical calculation of Eqn 3.5, $M_I$.

Threshold for analytical principal-value integration for evaluating Eqn 3.6 and 3.7, $t_{\textrm{lim}}$.

Maximum number of fitting iterations.

Inital Levenberg-Marquardt damping parameter.

Adjustment factor for Levenberg-Marquardt damping parameter.

Convergence for Levenberg-Marquardt fit.

If true, output fitted functions to ASCII file for each species.

If true, after map search, determine minima and refine solutions.

How many steps should be used to integrate around the resonance, $M_P$, used for integrating near poles (see section 3.1).

Select case for scans; 1) consecutive scans along input paths in wavevector space, 2) double scans of two selected parameters.

Number of wavevector scans. Must be set to 2 for scan_option=2; Must be 1 or larger for scan_option=1. 0 turns off wavevector scans.