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TI-83 Plus Sequence Graphing 193
Graphing Web Plots
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.
Valid Functions for Web Plots
When
Web
axes format is selected, a sequence will not graph properly or
will generate an error.
•
It must be recursive with only one recursion level (
u(
n
N
1)
but not
u(
n
N
2)
).
•
It cannot reference
n
directly.
•
It cannot reference any defined sequence except itself.
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