PlasmaCalcs.addons.instability_tools.instability_theory_tools.xarray_grows

PlasmaCalcs.addons.instability_tools.instability_theory_tools.xarray_grows(array)
returns boolean array telling where input growth rate (maxxed across k) > 0.

Equivalent: xarray_growth_kmax(array) > 0. | growth = array if real DataArray; imag(array) if complex DataArray; ds[‘omega’].imag if Dataset.