Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 113

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If each term in the sequence is defined in relation to the term that precedes the previous term,
as in
, you must specify initial values for the first two terms. Enter the initial values as a
u(n
N
2)
list enclosed in brackets { } with commas separating the values.
The value of the first term is 0 and the value of the second term is 1 for the sequence
Setting Window Variables
To display the window variables, press p. These variables define the viewing window. The
values below are defaults for Seq graphing in both Radian and Degree angle modes.
nMin=1
nMax=10
PlotStart=1
PlotStep=1
Xmin=L10
Xmax=10
Xscl=1
Ymin=L10
Ymax=10
Yscl=1
must be an integer | 0.
nMin
is the smallest
value to evaluate.
nMin
n
the largest
value to evaluate. Sequences are evaluated at
n
.
u(nMax)
is the first term to be plotted.
PlotStart
If you want plotting to begin with the fifth term in a sequence, for example, set
four terms are evaluated but are not plotted on the graph.
is the incremental
PlotStep
evaluation; it only designates which points are plotted on the graph. If you specify
sequence is evaluated at each consecutive integer, but it is plotted on the graph only at every
other integer.
Smallest n value to evaluate
Largest n value to evaluate
First term number to be plotted
Incremental n value (for graphing only)
Smallest X value to be displayed
Largest X value to be displayed
Spacing between the X tick marks
Smallest Y value to be displayed
Largest Y value to be displayed
Spacing between the Y tick marks
,
, and
PlotStart
nMax
also is displayed in the sequence
nMin
PlotStart=1
value for graphing only.
n
must be integers | 1.
PlotStep
,
u(nMin)
u(nMin+1)
begins plotting on the first term in the sequence.
does not affect sequence
PlotStep
Chapter 6: Sequence Graphing
.
u(n)
editor.
is
Y=
nMax
,
, ... ,
u(nMin+2)
. The first
PlotStart=5
, the
PlotStep=2
106

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