Casio fx-9860G Series User Manual page 249

Example To draw the WEB graph for the recursion formula
b
= 3
n
+1
following table range and V-Window settings.
Table Range
Start = 0, End = 6,
V-Window Settings
Xmin = 0,
Ymin = 0,
Procedure
1 m RECUR
2 !3(V-WIN) awbwbw
awbwbwJ
a
3 3(TYPE)2(
b
d3(
)+a.cw
n
a
4 5(SET)1(
)
0
awgwa.abwa.bbw
a.abwa.bbwJ
5 6(TABL)
6 4(WEB)
a
7 w~w(
is convergence)
n
b
w~w(
is divergence)
n
Result Screen
5-9-8
Graphing a Recursion Formula
b
+ 0.2, and check for divergence or convergence. Use the
n
a
= 0.01,
0
Xmax = 1,
Ymax = 1,
a
)-d2( )x+d2(
n n
+1
20070201
a b
Str = 0.01, = 0.11,
n
0
Xscale = 1
Yscale = 1
a
)w
n
a a a
= –3( ) 2 + 3 ,
n n n
+1
b
Str = 0.11
n