Stable Node | Woody Calculus

Phase Portraits Explained: Predict Stability from Eigenvalues

July 3, 2026 Brian M. Woody Leave a comment

Phase portraits in Differential Equations showing stable node, spiral sink, unstable node, saddle point, spiral source, and center classified by eigenvalues.

Learn how eigenvalues determine phase portraits in Differential Equations. This Woody Calculus lesson explains stable nodes, unstable nodes, saddle points, spiral sinks, spiral sources, centers, repeated eigenvalues, eigenvectors, and stability.

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