Drawing A Cobweb Diagram - Casio ClassPad 330 User Manual

6-5 Drawing a Cobweb Diagram

You can use the procedure described here to input a sequence and draw a cobweb diagram.
Example: To graph
u ClassPad Operation
(1) Start up the Sequence Editor.
• If you have another application running, tap m and then H.
• If you have the Sequence application running, tap O and then [Sequence Editor].
(2) Tap the [Recursive] tab.
(3) Specify the recursion type by tapping [Type] and then [
(4) Input the recursion expression.
• Tap the input box to the right of
Inputting an Expression in the Sequence Application" to input the following.
n a a
] {2/2-1E
[ , n ] [ n
(5) Input the initial value.
0.5E
(6) Tap Oand then [View Window].
• This displays a dialog box for configuring View Window settings.
(7) Configure View Window settings as shown below.
xmin = –2
ymin = –1
(8) After everything is the way you want, tap [OK].
(9) Tap .
(10) Press E for each
step of the web.
Tip
• On the cobweb graph window, you can draw the cobweb diagram again by selecting Trace on the
Analysis menu.
6-5-1
Drawing a Cobweb Diagram
a
2
n
a
a
n = – 1 , = 0.5
+1 1
2
a
:, and then use the procedures under "6-2
n+
1
xmax = 3 xscale = 1
ymax = 1 yscale = 1
20060301
a a
n+ Type ].
1 1
xdot: (Specify auto setting.)
ydot: (Specify auto setting.)