Wireframe plots, Wireframe plots -28 – HP 48g Graphing Calculator User Manual
Page 328
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Step 8:
Draw the plot without erasing first so as to superimpose the
Diff Eq plot on the previous Slopefield plot.
DR
I
23
Wireframe Plots
The Wireframe plot type draws an oblique-view, perspective, 3D plot
of a wire-frame model of the surface determined by if = F(x, y).
Each point in the sampling grid is perspective-projected onto the
display screen along the line connecting the sample and the eyepoint
(Xe,Ye,Ze).
View Volume
View Screen
Eye Point (XE. YE, ZE)
Perspective Projection
Neighboring samples are connected by straight lines. The
sampling grid is determined by the “base” of the View Volume
(Xieft iXright, Ynear
5
Yfar) ■
23-28 Plot Types