Duffing Oscillator

continuous-flows · 37 views
continuous-flowschaotic

What It Is

Driven damped nonlinear oscillator --- strange attractor with broad amplitude visits

Interpretation

Standard analysis sees: rich, high-entropy values; smooth / autocorrelated; long-range memory (persistent); red spectrum (low-frequency / 1-over-f power); low-complexity (predictable, not noise-like); volatility-clustering (bursty). The atlas additionally detects Nonstationarity:adf_pvalue, Multifractal Spectrum:hurst_estimate. It sits beside Hénon-Heiles in the atlas (standard-bank rank 56) — a neighbor conventional features miss.

What standard analysis sees
tail heaviness0.32
asymmetry0.27
occupancy0.89
short-range corr0.96
long-range memory0.90
spectral colour0.13
periodicity0.57
complexity0.08
time-irreversibility0.20
volatility clustering0.96
multifractality0.80
dimensionality0.23
nonstationarity0.60
What the atlas adds
Nonstationarity:adf_pvalue+3.5z
unit-root nonstationarity (ADF cannot reject random-walk null)
Multifractal Spectrum:hurst_estimate+2.5z
self-affinity H = τ(2)/2 (alternate to Hölder hurst)
Atlas-extreme metrics the standard bank can’t predict for this source
Chladni:modal_nodal_cascade-4.3zbank-miss 1.1σ
Laplacian:curvature_autocorrelation+2.0zbank-miss 1.5σ

Composition

dtypefloat64
range[-1.483, 1.497]
unique values16384 / 16384
mean ± std-0.0356 ± 0.86

Render Gallery

Atlas Position

Nearest neighborDistance
Chua's Circuit2.35
Hénon-Heiles2.88
FPUT N=162.91cross-origin

Open in Atlas →

Which Geometries Light Up

Catch24Catch24:CO_HistogramAMI_even_2_5rank 4/3071.4607
Catch24Catch24:CO_Embed2_Dist_tau_d_expfit_meandiffrank 5/30730.6658
ChladniChladni:modal_nodal_cascaderank 306/307-0.5824
Hodge–LaplacianHodge–Laplacian:curl_div_ratiorank 5/3075.5737
LaplacianLaplacian:cross_scale_curvature_coherencerank 5/3070.9986
LaplacianLaplacian:curvature_autocorrelationrank 5/3070.9986
LaplacianLaplacian:biharmonic_ratiorank 303/3070.0000
Ulam Spiral (Square)Ulam Spiral (Square):radon_anisotropyrank 4/3070.0393
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