feat(central-field): add central force field model

[emptymalei]

Resolves #13

Added

• [x] Theories
• [ ] Model
• [ ] Tests
• [ ] Tutorials

Validations

• [ ] Extreme cases

[github-actions[bot]]

Coverage Report (ce317877f57f48e766d116ef902307691f74df34, 3.9, macos-latest)

File	Stmts	Miss	Cover	Missing
hamilflow
__init__.py	0	0	100%
hamilflow/models
__init__.py	0	0	100%
brownian_motion.py	41	1	1	98%
central_field.py	42	9	9	79%
harmonic_oscillator.py	82	4	4	95%
pendulum.py	56	7	7	88%
TOTAL	221	21	90%

Tests	Skipped	Failures	Errors	Time
59	0 :zzz:	0 :x:	0 :fire:	4.025s :stopwatch:

[github-actions[bot]]

PR Preview Action v1.4.7 :---: Preview removed because the pull request was closed. 2024-08-18 21:08 UTC

[emptymalei]

@cmp0xff

[cmp0xff]

• 77 targets to the underlying branch

• Not to merge this, before #77 is approved