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Evaluating u, v, and w, Graphing web plots, Graphing a web plot – Texas Instruments TI-84 User Manual

Page 168

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Chapter 6: Sequence Graphing

165

When

uv

,

vw

, or

uw

axes format is selected,

value

displays X and Y according to the

axes format setting. For example, for

uv

axes format, X represents

u(n)

and Y

represents

v(n)

.

Evaluating u, v, and w

Evaluating u, v, and w

Evaluating u, v, and w

Evaluating u, v, and w

To enter the sequence names

u

,

v,

or

w

, press

y

[u]

,

[v]

, or

[w]

. You can evaluate these

names in any of three ways.

Calculate the

n

th value in a sequence.

Calculate a list of values in a sequence.

Generate a sequence with

u(nstart,nstop[,nstep])

.

nstep

is optional; default is 1.

Graphing Web Plots

Graphing Web Plots

Graphing Web Plots

Graphing Web Plots

Graphing a Web Plot

Graphing a Web Plot

Graphing a Web Plot

Graphing a Web Plot

To select Web axes format, press

y . ~ Í. A web plot graphs

u(n)

versus

u(n

N

1)

, which you can use to study long-term behavior (convergence, divergence, or

oscillation) of a recursive sequence. You can see how the sequence may change
behavior as its initial value changes.