Casio ClassPad II fx-CP400 Examples - Manual (Page 25)

Chapter 6: Sequence Application 25
0604
1. On the Sequence Editor window, tap the [Recursive] tab.
2. Tap [Type] - [ a
n +1
Type a
1
].
3. Input the recursion expression a
n +1
= 2 a
n
+ 1 and the initial values a
1
= 1.
4. Tap the down arrow button next to #, and then select
+ to create the table.
5. Tap 6, configure View Window settings as shown below, and then tap [OK].
x min = 0 x max = 6 x scale = 1 x dot: (Specify auto setting.)
y min = –15 y max = 65 y scale = 5 y dot: (Specify auto setting.)
6. Tap $ to draw a connect type graph, or tap
! to draw a plot type graph.
In this example, “4 Cells” is selected for the
[Cell Width Pattern] setting of the Graph
Format dialog box (page 37 in the User’s
Guide).
Connect type graph Plot type graph
0605
1. On the Sequence Editor window, tap the [Recursive] tab.
2. Tap [Type] - [ a
n +1
Type a
1
].
3. Input the recursion expression a
n +1
=
D Q
− 1 and the initial values a
1
= 0.5.
4. Tap the Table window to make it active.
5. Tap 6, configure View Window settings as shown below, and then tap [OK].
x min = −1.2 x max = 1 x scale = 0.2
y min = −1 y max = 0.1 y scale = 0.2
6. Tap
w to start drawing a cobweb diagram.
7. Press
E for each step of the web.
On the cobweb graph window, you can restart drawing of the cobweb diagram by selecting [Trace] on the
[Analysis] menu.
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