Hp 49g Graphing Calculator Manuel d'utilisateur télécharger pdf (Page 95)

Standard 3-D functions can be plotted using the Fast 3-D plot type.

A Fast 3-D plot needs two inputs to generate an output. The HP 49G uses a

two-dimensional sampling grid of points whose coordinates provide the

two inputs required. By default, the sampling grid consist of 80 points: 10

columns by 8 rows.

The following is a Fast 3-D plot of z = x y - .ry" .

Fast 3-D plots

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Figure 4-27: DeFault plot window and plot setup parameters for Fast 3-D plots

Figure 4-28: Sample Fast 3-D plot

You can rotate a Fast 3-D plot by pressing the arrow keys, or the

keys.

and

Plot window parameters

X-Left, X-Right The horizontal display range corresponding to the first

independent variable (entered in the Indep field).

Y-Near, Y-Far The vertical display range corresponding to the second

independent variable (entered in the Depnd field).

Z-Low, Z-High The «-axis range—or height—of the view volume.

Step Indep The number of columns in the sampling grid.

Step Depnd The number of rows in the sampling grid.

Plotting graphs

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Hp 49g Graphing Calculator Manuel d'utilisateur Page 95