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Dynamical systems: center manifold

✓ Published0🌍 Public
YYanghong Huang
Last edited Sep 23, 2025
Created on Sep 23, 2025

This interactive visualization illustrates the dynamics of the system \(\dot{x} = xy, \dot{y} = -y - x^2\), showing how trajectories approach the center manifold (the blue curve) and then evolve slowly along it. A click on the plot adds a new starting point, and the solution is integrated using a Runge-Kutta 4 (RK4) method, with the path drawn as a brown curve. The visualization is built with D3.js, using scaleLinear for coordinate mapping and a line generator for rendering both the manifold and the trajectory.

AI-generated description

Click and see how the solution approaches the centre manifold (<strong>the blue solid curve</strong>), and then slows down when evolving on it.

MIT Licensed

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