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2D Phase Plane Plotter by Marek Rychlik

Enter your system of differential equations dy/dt = f(t,y,v) and dv/dt = g(t,y,v).

You may plot the following using the down arrows along the edges of the graph:
y vs. v (Phase plot)
y vs. t
v vs. t
The scale used will be determined by the variables selected with the down arrows.
For example, if you have y vs. t selected, the scale for the other dependent variable will be incorrect unless the Max and Min values are equal for each variable.

Examples of valid expressions:

5*sin(t) y^2*sin(y) ln(3*v) abs(t^2-y) sin(PI*y) exp(y) step(t) sqrt(y)

 

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