How to use the Two Dimensional Equations Tool

Setting Initial Conditions

• Click the mouse on the phase plane to set the initial conditions for a trajectory.

Equations

• Click the arrow button to the left of the equations to pop up the list of equations.
• Click an equation to select it.

Buttons

• [Clear] removes all output from the graphs.
• [Draw Field] draws a grid of vectors over the xy graphs.
• [Pause] stops a trajectory without canceling it.
• [Continue] resumes the motion of the paused trajectory.