This page plots a system of differential equations of the form dx/dt = f(x,y), dy/dt = g(x,y).
For a much more sophisticated phase plane plotter, see the MATLAB plotter written by John C. Polking of Rice University.
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The direction field solver knows about trigonometric, logarithmic and exponential functions, but multiplication and evaluation must be entered explicitly (2*x and sin(x), not 2x and sin x). |
| Minimum x: | Minimum y: | Arrow length: | Variable length arrows | |||
| Maximum x: | Maximum y: | Number of arrows: | ||||