How to use the Vector Fields Tool

Setting Initial Conditions

• Click the mouse on the xy-graphing plane to set the initial conditions for a trajectory or a point for a vector.

Equations

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

Drawing Mode Buttons

• [Vectors] sets vectors when you click on the xy-plane.
• [Solutions] displays a solution curve when you click on the xy-plane.

Time Step Buttons

• Click the mouse on a time step button in the t  list to set the time step for vectors.

Other Buttons

• [Clear] removes all output from the graphs.
• [Draw Field] draws a grid of vectors over the xy graphs.

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