Dynamical Systems Visualizer
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Preset Systems
Reset layout
Equations
Parse system
Write derivatives like
dv/dt = …
State variables
Unknown symbols
Not tied to a derivative. Treat each as a tunable
parameter
or promote it to a
state variable
.
Parameters
Simulation
Duration · T
Step · dt
Phase portrait
x
y
Field
Nullclines
The trajectory diverged
Values grew without bound before
. Try a smaller step
dt
, a shorter duration, or gentler parameters.
Click anywhere on the plane to drop a new initial condition. Arrows show the flow direction, dashed curves are nullclines.
Time series
Each state variable over time. The moving marker follows the trajectory above.