Plotting, Plot the expression (plot view), Plotting -7 – HP 38g Graphing Calculator User Manual
Page 71: Plot the expression (plot view) -7
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Polar
Example Define r = 2 cos40.
In the Symbolic view of the Polar aplet, highlight a line (or
clear the lines) and enter the expression.
I
Select
Polar
{{START}}
2
a 4 a {{
0
}}
ENTER
|PDL*f! SVHSDUC MIEW
^Rli0>=2*COSi;4*0>
R3<0>=
R4i;0>=
R5<0>=
■HihiBirang
Sequence
Define the Fibonacci sequence, in which each term (after the
Example
first two) is the sum of the preceding two terms ;
( = 1, /j = 1, and
/3
=
(,_2
for
/7
ss 3.
In the Symbolic view of the Sequence aplet, highlight a line
(or clecir the lines) and enter the expressions.
I
Select
Sequence
{{START}}
1
I
ENTER
I
1
I
ENTER
I
{{Ul}} {{(N-1)}}Q
{{Ul}}{{(N-2)}} [iNriWI
SEQUENCE SVMtDLIC VIEH
*^U1C2> = 1
'^
ui
<
h
>=
ui
<:
h
-
i
>+
ui
<
n
,
iMiiliiiS
U2<2>=
Plotting
Plot the Expression (Plot View)
After entering and selecting (checkmarking) the expression
in the Symbolic view, press|
plot
|. To adjust the appearance
of the graph or the interval that is displayed, you can change
the Plot Setup (page 3-18).
Compsiring
Plots
You can plot up to ten expressions at the same time. Simply
checkmark all those expressions you want to be plotted
together.
Pausing
a
Plot Press
{{PAUSE}}
or
|
o n
|
to interrupt plotting. Press
{{CONT}}
to continue plotting. Press |
plot
| to start the plotting over.
Erasing a Plot
Press ■ [CLEAR] to erase a plot.
Plotting and Exploring Functions 3-7