![]() ![]() Use the crop function to zoom in on a point of interestĬhoose Find Equillibrium Point under the Solution pull down menu. If you choose the x-t and y-t option, you have to pick a specific solution curve. If you are interested in a plot of your solution vs. By clicking on the field you will plot solution curves in the phase plane. In the PPlane Phase Plane window below you will see the vector fields for the system. This is a convenient feature to use when considering the effect of changed parameters on the steady state of a system because it eliminates the redundancy of re-entering the parameter values multiple times within the differential equations. Note, if your differential equations contain constant parameters, you can enter them in the "Parameter Expressions" boxes below the differential equations as seen in the figure below (A, B, and C are used as example parameters). Under the Gallery pull down from the menu, you can switch to a linear system. In the PPlane equation window you can enter a system of differential equations of the form \(dx/dt = f(x,y)\) and \(dy/dt = g(x,y)\), define parameters and resize the display window. We now have a system of equations which we can solve for x, y:
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