Hp 49g Graphing Calculator Manuel d'utilisateur télécharger pdf (Page 91)

Y-Slice plots

The Y-Slice plot draws a series of cross-sections or slices—each

perpendicular to the ?y-axis—of the sm-face determined by a specified

function.

A Y-Slice 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, tire sampling grid consist of 80 points: 10

colunuis by 8 rows. In drawing a Y-Slice plot, the HP 49G draws one slice

for each row in the sampling grid.

Once it has completed drawing all the slices, the HP 49G creates and runs

an animation, with one slice per frame. This enables you to visualize a

moving slice through the surface.

The following example is a Y-Slice plot of ;

3 3

V-A-y .

HlfiDOH - V-SLICE^^

pL0T ^ETtlP

51-L6Ft:gESi*E

TypeiffilffiSttl ¿:f:<id

V-F'3r: 1.

Ei!: ^ „3 u u

2-LOH: -1. S-Hi3h: i.

5tCp Indip:10. Depnd:3.

IndepDepnd:Y

SdMe ftniMiiti«>n

Enter HiniHUH K uieH-Moi.ijHe Mat

Ch<">ie tMpe i>F pi.*>t

Figure 4-21: Default plot window and plot setup parameters For Y-Slice plots

Figure 4-22: Sample slice of a Y-slice plot

Plot window parameters

X-Left, X-Right The a-axis range—or width—of the view volume.

Y-Near, Y-Far The y-axis range—or depth—of the view volume.

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 91