Direction Field, Phase Portrait, and Solution Curves ( DEplot3d )

Replace the question marks ( %? ) in the following input regions to create the direction field for your model.

> DOMAIN := t = 0 .. 1 ;

[Maple Math]

> WINDOW := x = -20 .. 20,

> y = -25 .. 25;

[Maple Math]

>

> DIRplot := DEplot( MODELa, VARa, DOMAIN, WINDOW,

> arrows=THIN, scene=[ x, y ],

> title = `Phase Portrait for Linearized Lorenz System` ):

> DIRplot;

[Maple Plot]

>

>