Bug fixes, reimplement missing features (!25) · Merge requests · Micromagnetic modeling / TetraX

Reimplement reverse engineering
If cannot calculate modes, save NaN to dispersion data frame. Also don't save profiles in this situation.
Reimplement dispersion saving in eigenmodes(). Can be controlled with save_disp=True and fname="dispersion.csv".
initialize Bext as MeshVector, addresses issue #11 (closed)

Bug fixes, reimplement missing features