Texas Instruments TI-84 User Manual
Page 173
Chapter 6: Sequence Graphing
170
1.
Press
o in
Seq
mode to display the sequence Y= editor. Define the sequences and
initial values for R
n
and W
n
as shown below. Enter the sequence
R
n
as
u(n)
and enter
the sequence W
n
as
v(n)
.
2.
Press
y . Í to select
Time
axes format.
W
=
number of foxes
G
=
fox population growth rate with rabbits
(.0002)
D
=
fox population death rate without rabbits
(.03)
n
=
time (in months)
Rn
=
R
n
N1
(1+M
N
KW
n
N1
)
Wn
=
W
n
N1
(1+GR
n
N1
N
D)