Texas Instruments TI-84 Plus Guide Book

Chapter 17: Activities 489
Graphing Cobweb Attractors
Graphing Cobweb AttractorsGraphing Cobweb Attractors
Graphing Cobweb Attractors
Problem
ProblemProblem
Problem
Using
Web format, you can identify points with attracting and repelling behavior in
sequence graphing.
Procedure
ProcedureProcedure
Procedure
1. Press z. Select
Seq and the default mode settings. Press y .. Select
Web format and the default format settings.
2. Press o. Clear all functions and turn off all stat plots. Enter the sequence that
corresponds to the expression Y = K X(1NX).
u(n)=Ku(nN1)(1Nu(nN1))
u(nMin)=.01
3. Press y 5 to return to the home screen, and then store 2.9 to K.
4. Press p. Set the window variables.
5. Press r to display the graph, and then press ~ to trace the cobweb. This is a
cobweb with one attractor.
nMin=0
nMax=10
PlotStart=1
PlotStep=1
Xmin=0
Xmax=1
Xscl=1
Ymin=
M.26
Ymax=1.1
Yscl=1

Texas Instruments TI-84 Plus Specifications

General

Battery type	AAA
Power source	Battery
Number of batteries supported	4
Type	Graphing
Cover	No
Form factor	Pocket
Control type	Buttons
Product color	Black
USB port	Yes
USB 2.0 ports quantity	1
Digits	- digits
Display number of lines	8 lines
Display number of characters	16
RAM capacity	0.024 MB
ROM capacity	0.480 MB
Storage media type	-