The DirectionalDerivativeTutor command launches a tutor interface that computes, plots, and animates the directional derivative of a function.

If f(x,y), [x,y]=[a,b], and [c,d] are not specified, DirectionalDerivativeTutor uses defaults.

The DirectionalDerivative command offers equivalent capabilities to DirectionalDerivativeTutor where interaction takes place in the worksheet interface. See the Student[MultivariateCalculus][DirectionalDerivative] help page.

To change the default colors of the plot objects, see the Student[SetColors] help page.

When the DirectionalDerivativeTutor is running, interaction with the worksheet is not possible.