DiffEqPhase Plane

Phase Plane & Trajectory Plotter

Draw the phase portrait (vector field + trajectories) for a 2D autonomous system dx/dt = f(x,y), dy/dt = g(x,y).

Live Calculator · Phase Portrait · Differential Equations

System Preset

Select Autonomous System

Analysis

System

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Equilibrium Points

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Eigenvalues at Origin

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Stability Classification

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Step-by-Step Analysis

Select a system to see analysis.

Phase Plane: Vector Field & Trajectories

Put It Into Practice

The calculator shows the steps — a quiz proves you can do them on your own.

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