SEsebzuddas·Jul 24, 2026Submission
PySINDy – A package for the sparse identification of nonlinear dynamical systems
5 points · Open discussiondynamicslab
pysindy
Python2021–2026
dynamicslab / pysindy
pysindy
A package for the sparse identification of nonlinear dynamical systems from data
4Distinct people
6Mentions
0Explicit recommenders
1.9KGitHub stars
What to know before exploring
What it is
A package for the sparse identification of nonlinear dynamical systems from data
GitHub
Where it is used
No documented product use has been verified yet.
What people are saying
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Also in these discussions
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This week on Hacker News
Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 3:03:16 PM UTC.
No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.
Mentions over time
HN mentions by year6 dated mentions
Observed mentions: 2021-09-13 07:38:51 UTC to 2026-07-24 17:30:52 UTC.
* An incomplete calendar period is marked with an outlined bar. Its count is not directly comparable with a full period.
Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.
View mention counts and date ranges
| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| 2021 | 2021-01-01 00:00:00 UTC | 2022-01-01 00:00:00 UTC | 1 | 0 | 1 |
| 2022 | 2022-01-01 00:00:00 UTC | 2023-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2023 | 2023-01-01 00:00:00 UTC | 2024-01-01 00:00:00 UTC | 3 | 0 | 3 |
| 2024 | 2024-01-01 00:00:00 UTC | 2025-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2025 | 2025-01-01 00:00:00 UTC | 2026-01-01 00:00:00 UTC | 1 | 0 | 1 |
| 2026 (partial) | 2026-01-01 00:00:00 UTC | 2027-01-01 00:00:00 UTC | 1 | 1 | 0 |
What Hacker News says
6 sourcesNotes for such efforts:
From https://news.ycombinator.com/item?id=44043518#44053779 re: deep learning poised:
> jax-cfd mentions phiflow
> PhiFlow: https://github.com/tum-pbs/PhiFlow/
>> A differentiable PDE solving framework for machine learning
SymPy can solve ODEs and some PDEs.
sympy.solvers.pde: https://docs.sympy.org/latest/modules/solvers/pde.html
SymPy's sympy.utilities.lambdify.lambdify() compiles things to faster solvers like CPython math module, mpmath, NumPy, SciPy, CuPy, JAX, TensorFlow, SymPy, numexpr, and PyTorch. https://docs.sympy.org/latest/modules/utilities/lambdify.htm...
dynamicslab/pysindy; https://github.com/dynamicslab/pysindy :
> A package for the sparse identification of nonlinear dynamical systems from data
A question about fundamental Anosov flows and CFD in pysindy; due to "Flow Proof Helps Mathematicians Find
Read the rest
Stability in Chaos" (2023)
https://www.quantamagazine.org/flow-proof-helps-mathematicia... ..
https://github.com/dynamicslab/pysindy/issues/383 :
/? site:github.com anosov
https://www.google.com/search?q=site%3Agithub.com+anosov
> GitHub topic: quantum-fluids: https://github.com/topics/quantum-fluids
GitHub topic: Gross-Pitaevskii: https://github.com/topics/gross-pitaevskii
OSIRIS-code can simulate laser emissions in plasma, nonlinear optics in plasma,; and supports Checkpointing and thus probably parallelization; https://news.ycombinator.com/context?id=44371059
For simulations of gravity-assisted spacecraft trajectories, in n-body (vortical fluidic) gravity:
> JPL SPICE toolkit: https://naif.jpl.nasa.gov/naif/toolkit.html
> SpiceyPy: https://github.com/AndrewAnnex/SpiceyPy
"Gravity as a fluid dynamic phenomenon in a superfluid quantum space. Fluid quantum gravity and relativity." (2017) https://hal.science/hal-01248015/ :
> [ Bernoulli, Navier-Stokes, Gross-Pitaevskii vortices in a field with curl ]
Shouldn't solving NS also solve for n-body gravity?
Anosov diffeomorphism; hyperbolicity of complex nonlinear dynamic fluid systems, Lyapunov exponents :
https://en.wikipedia.org/wiki/Anosov_diffeomorphism
Curl: https://en.wikipedia.org/wiki/Curl_(mathematics)
Vorticity: https://en.wikipedia.org/wiki/Vorticity
Bernoulli's principle: https://en.wikipedia.org/wiki/Bernoulli%27s_principle
Gross-Pitaevskii equation:
https://en.wikipedia.org/wiki/Gross%E2%80%93Pitaevskii_equat...
Navier-Stokes equations:
https://en.wikipedia.org/wiki/Navier%E2%80%93Stokes_equation...
SINDy does that. https://github.com/dynamicslab/pysindy
In OpenAI researchers warned board of AI breakthrough ahead of CEO ousterhttps://news.ycombinator.com/item?id=37227511 :
> SQG Superfluid Quantum Gravity says there needn't be antimatter; there is pressure and there are phases of matter in a varyingly Superfluidic cosmos. The Dirac wikipedia article also mentions SQG.
"Gravity as a fluid dynamic phenomenon in a superfluid quantum space. Fluid quantum gravity and relativity." (2017) https://hal.science/hal-01248015/
Fluid equations:
Bernoulli's:
Biot-Savart:
Navier-Stokes:
Anosov flows and CFD ((Quantum) Computational Fluid Dynamics) fluid predictability:
https://github.com/dynamicslab/pysindy/issues/383#issuecomme...
In Antimatter Reacts to Gravity in the Same Way as Ordinary Matter, Physicists Findawesome-fluid-dynamics:
https://github.com/lento234/awesome-fluid-dynamics
TIL about Anosov flows?
https://github.com/dynamicslab/pysindy/issues/383#event-1002...
awesome-machine-learning-fluid-mechanics >
Opensource CFD codes lists openfoam and a few others
https://github.com/ikespand/awesome-machine-learning-fluid-m...
Open Sustainable Technology:
https://github.com/protontypes/open-sustainable-technology#o...
SunPy:
https://sunpy.org/
In Ask HN: Why don't datacenters have passive rooflines like Net Zero homes?Not MLP, but PySindy[0] might be a way to find a closed form solution. A simple MLP may not be best way to achieve what are you are after.
[0] https://github.com/dynamicslab/pysindy
In Physics-Based Deep Learning Book