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Installation
Changelog
Breaking changes
Benchmarks
Acknowledgement

Tutorials

The basics
Event detection
Variational ODEs
More on the expression system
Parallelisation and vectorisation
Extended and reduced precision
Lagrangian and Hamiltonian mechanics
Interoperability with SymPy
Compiled functions
EOP and space weather data
- Working with EOP data
- Working with space weather data
Analytical theories and models
Earth orbit dynamics
- Third-body perturbations
- Geopotential
A differentiable SGP4 propagator
Pickle support
JIT compilation and caching

Examples

Celestial mechanics and astrodynamics
Event detection
Machine Learning
Variational equations
Others

API reference

Common keyword arguments
Expression system
Numerical integrators
- heyoka.taylor_adaptive
- heyoka.taylor_adaptive_batch
Variational ODE systems
- heyoka.var_ode_sys
- heyoka.var_args
Lagrangian and Hamiltonian mechanics
- heyoka.lagrangian
- heyoka.hamiltonian
Models
EOP and space weather data
JIT compilation
- heyoka.code_model

Repository
Open issue

.rst

Others

Others#

The variational equations
Optimal Control of the Lotka-Volterra equations
Computing definite integrals

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The Tolman–Oppenheimer–Volkoff equations (Lindblom’s form)

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The variational equations

By Francesco Biscani and Dario Izzo

© Copyright 2020-2025 Francesco Biscani and Dario Izzo.