!! used as default html header if there is none in the selected theme. Graphic ODE phase graph

Graphic ODE phase graph --- Introduction ---

This module lets you choose the correct phase graph for a given ODE which is of the form
leftbrace2x'(t)=Ax+By
y'(t)=Cx+Dy
where A,B,C,D are constants.

The difficulty of the exercise varies considerably with the choices of several parameters.

Other members in the series of graphical exercises. The most recent version

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