Casio ALGEBRA FX 2.0 PLUS Graphing - Manual (Page 69)

19990401
○ ○ ○ ○ ○
Example To draw the WEB graph for the recursion formula a
n + 1
= –3( a
n
) 2 + 3 a
n
,
b
n + 1
= 3 b
n + 0.2, and check for divergence or convergence. Use the
following table range and V-Window Settings.
Table Range
Start = 0, End = 6, a
0
= 0.01, a
n Str = 0.01, b
0
= 0.11, b
n Str = 0.11
V-Window Settings
Xmin = 0, Xmax = 1, Xscale = 1
Ymin = 0, Ymax = 1, Yscale = 1
Procedure
1 m RECUR
2 !K(V-Window) awbwbwc
a wbwbwi
3 3(TYPE)c( a
n + 1
=)-d2( a
n )x+d2( a
n )w
d 3( b
n
)+a.cw
4 5(RANG)1( a
0
)
a wgwa.abwa.bbwc
a.ab wa.bbwi
5 6(TABL)
6 4(WEB)
7 1(TRACE)w~w( a
n is convergence)
cw~w( b
n
is divergence)
Result Screen
5-9-8
Graphing a Recursion Formula