Hp 48g Graphing Calculator Bedienungsanleitung PDF herunterladen (Seite 326)

100

101

The Slopefield PLOT Form

Shows the current angle mode. Change it by pressing

one or more times or by using CHOOo.

Enter the current expression, equation, or user-defined

function to be plotted. Names of variables containing

expressions, equations, or UDFs may be used in place

of the objects themselves.

Enter the name of one of the independent variables.

Enter the number of columns in the sampling grid.

Enter the name of the second independent variable.

Enter the number of rows in the sampling grid.

Opens the PLOT OPTIONS form.

Erases the PICT screen (without displaying it).

Stores all of the values in their appropriate places in

the reserved variables—EQ, PPAR, and VPAR—

and draws the plot accordingly, leaving you in the

PICTURE environment when finished.

The Slopefield PLOT OPTIONS Form

K-LEFT s Enter the horizontal display range, corresponding to the

K--RIGHT5 first independent variable (entered in INDEP).

Y“HERR" Enter the vertical display range, corresponding to the

Y”FhR» second independent variable (entered in DEPHD).

EGF

INDEF

DEPNC

STEP

OPT

ERAS

DRAW

Examples

Example 1:

Display the Slopefield example plot, SPEED: y' =

If necessary, type in TEFiCH to install the EXAMPLES

directory and then:

Press (VAR) EXflt'1

fN>cr) SPFLD

PLOTS

After plotting, press (CAIMCEL) ff^fPLOT) to review the PLOT forms

that generated the plot. Experiment by changing values or settings

and redrawing the plot.

23-26 Plot Types

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