Notebooks for: On the Reparameterization Between Cartesian Position--Velocity Vectors and Orbital Elements in the Kepler Problem

Jupyter notebooks used to reproduce the analysis and figures in the paper.

* `analytic_jacobian.ipynb` reproduces the analytic Jacobian checks presented in Section 2.
* `fit_simulated_data.ipynb` reproduces the simulated-data fitting and comparison presented in Section 4.