Texas Instruments -84 Plus, Manual Book

Page: 170 / 696

Chapter 6: Sequence Graphing 167
2. It moves vertically (up or down) to the sequence.
3. It moves horizontally to the
y=x
reference line.
4. It repeats this vertical and horizontal movement as you continue to press
~
.
Using Web Plots to Illustrate Convergence Using Web Plots to Illustrate Convergence Using Web Plots to Illustrate Convergence Using Web Plots to Illustrate Convergence
Example: Convergence Example: Convergence Example: Convergence Example: Convergence
1. Press
o
in
Seq
mode to display the sequence Y= editor. Make sure the graph style is
set to
í
(dot), and then define
n Min
,
u( n )
and
u( n Min)
as shown below.
2. Press
y . Í
to set
Time
axes format.
3. Press
p
and set the variables as shown below.
4. Press
s
to graph the sequence.
nMin=1
nMax=25
PlotStart=1
PlotStep=1 Xmin=0
Xmax=25
Xscl=1
Ymin=
L
10
Ymax=10
Yscl=1