Triple Pendulum

continuous-flows · 37 views
continuous-flowschaotic

What It Is

3-segment Lagrangian pendulum chain, equal m=L=1 --- Hamiltonian 3-DOF conservative chaos with sin-coupling. Direct extension of Double Pendulum by one link; meant to populate the multi-DOF pendulum family the way Lorenz-96 {N=4,8,36} populates the dissipative-chain family. RK4 with dt=0.002. Output: angular velocity of bottom segment.

Interpretation

Standard analysis sees: smooth / autocorrelated; long-range memory (persistent); red spectrum (low-frequency / 1-over-f power); low-complexity (predictable, not noise-like); time-irreversible (slow rise, sharp collapse); volatility-clustering (bursty); multifractal. The atlas finds no named structure, but the source is distinctively extreme on Moiré:moire_invariance_breadth (+2.7z) — beyond what the standard bank predicts for it.

What standard analysis sees
tail heaviness0.50
asymmetry0.25
occupancy0.78
short-range corr0.95
long-range memory0.97
spectral colour0.12
periodicity0.63
complexity0.09
time-irreversibility0.15
volatility clustering0.97
multifractality0.89
dimensionality0.21
nonstationarity0.79
What the atlas adds
Atlas-extreme metrics the standard bank can’t predict for this source
Moiré:moire_invariance_breadth+2.7zbank-miss 1.3σ

Composition

dtypefloat64
range[-12.94, 13.85]
unique values16222 / 16384
mean ± std-0.0468 ± 5.66

Render Gallery

Atlas Position

Nearest neighborDistance
FPUT N=162.72cross-origin
Double Pendulum3.07
Lorenz-96 N=83.08

Open in Atlas →

Which Geometries Light Up

Moiré › Moiré:moire_invariance_breadthrank 5/3060.0353
Navier-Stokes › Navier-Stokes:sl_fit_qualityrank 2/3060.9433
Wasserstein › Wasserstein:recurrence_distancerank 4/3060.0919
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