Examine solutions in Lambert notebook

🐞 Problem

With the current master version, I’m getting solutions in strange locations of the plot:

I am not sure this was always the case, so it’s worth it to rerun the notebook and assess whether these results are correct.

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[jorgepiloto]

Alright, so it seems that the initial condition x_i when ll = -1 tremendously affects the output of the function _compute_T_min. By forcing each initial condition x_i to each M, those red crosses matched the lines. See:

However, this is not a solution, of course. A deep study on _tof_equation and _halley method is required to better see why the initial condition makes the solution to diverge if ll = -1 😕

[jorgepiloto]

I also saw that the labels Elliptic and Hyperbolic are switched, I was uploading this image but you were faster than me 😄