Chapter 6: Sequence Graphing
113
6. Press
y
.
~
~
Í
to select
uv
axes format.
7. Press
p
and change these variables as shown below.
8. Press
r
. Trace both the number of rabbits (
X
) and the number of foxes (
Y
) through 400
generations.
Note:
When you press
r
, the equation for
u
is displayed in the
top-left corner. Press
}
or
†
to
see the equation for
v
.
Comparing TI-84 Plus and TI-82 Sequence Variables
Sequences and Window Variables
Refer to the table if you are familiar with the TI-82. It shows TI-84 Plus sequences and sequence
window variables, as well as their TI-82 counterparts.
Xmin=84
Xmax=237
Xscl=50
Ymin=25
Ymax=75
Yscl=10
TI-84 Plus
TI-82
In the Y= editor:
u(
n
)
U
n
u(
n
Min)
U
n
Start
(window variable)
v(
n
)
V
n
v(
n
Min)
V
n
Start
(window variable)
w(
n
)
not available
w(
n
Min)
not available
In the window editor:
n
Min
n
Start
n
Max
n
Max
PlotStart
n
Min
PlotStep
not available