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Galactic and gravitational dynamics in Python

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Bug report from @abonaca: Not able to use the CylSpline potential with MockStream functionality because: ``` ValueError: Input potential must be C-enabled: one or more components in the input external...

bug

Right now it is very slow because it must construct a spline object with the input grids each time the energy/gradient/density functions are called. It might be possible to store...

enhancement
feature-request

https://ui.adsabs.harvard.edu/abs/2017MNRAS.465...76M/abstract

feature-request

Like the `NFWPotential`, instead of specifying mass, it could be useful to specify circular velocity and scale radius.

feature-request

When working on #280, I fixed some bugs with running `fit_toy_potential()` with a log true potential. We should test this method with all relevant potential classes.

enhancement

Right now, many of the potential classes have scale radii with different names (a, c, r_s, etc.). We could make them all consistent!

enhancement

- [ ] Using MN3 potential to approximate an exponential density distribution in a galaxy model - [ ] Estimating radial and vertical periods of a collection of orbits from...

enhancement
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