User Guide

The contourplot Command
The contourplot command generates a topographical map for an expression
or function. To create a smoother, more precise plot, increase the number of
points using the numpoints option.
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Multiple Plots in the Same Plot Region
List of Expressions
To display multiple expressions in the same plot region, enter the expressions
in a list data structure. To distinguish the surfaces, apply different shading
options, styles, or colors to each surface.
214 • 5 Plots and Animations