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DOUBLE PENDULUM FORMULA + CHAOS VISUAL

Double Pendulum Chaos Visual Lab

Simulate an ideal double pendulum with standard equations, RK4 integration, energy drift, phase portrait, twin-state divergence, SVG chaos map, CSV exports, Markdown notes and JSON receipt.

Reviewed 2026-06-28

Math
RK4 simulationEnergy driftPhase portraitTwin divergenceJSON receipt

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FORMULA CONTRACT

Chaos without fake certainty.

The tool calculates angular acceleration from the standard ideal double-pendulum equations, then integrates the state with RK4. A second run starts with a tiny theta2 perturbation so divergence is measured instead of merely described.

Read the editor guide for this model