
Lesson 24: Plotting Functions in Three
Dimensions
There are six different plot types that can be used to help you
visualize functions of two variables. Some of these only plot the given
function within a region in :J-dimensional space, called the View
Volume, defined by ranges on each of the three coordinate axes.
The other important i3arameter for three-dimensional plotting is the
eyepomi, the point in space from which you are viewing the View
Volume. The eyepoint determines the way that the View Volume is
projected onto the two-dimensional plotting display.
y..
y„.. ■ ■
Top View
-View Volume
-View Plane
(parallel to xz-plane)
y-axis unit
Eyepoint (Xe,Ye,Ze)
^lot Display Screen
The Relationship of the Eyepoint, View Volume, and Plot Display
Plotting Equations and Analyzing Graphs 6-7
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