6-14 Sequence Graphing
8306SEQN.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:22 PM Printed: 02/19/01 1:36
PM Page 14 of 16
2. Press y [FORMAT] Í to select Time axes format.
3. Press p and set the variables as shown below.
n
Min=0 Xmin=0 Ymin=0
n
Max=400 Xmax=400 Ymax=300
PlotStart=1 Xscl=100 Yscl=100
PlotStep=1
4. Press s to graph the sequence.
5. Press r ~ to individually trace the number of
rabbits (u(
n
)) and wolves (v(
n
)) over time (
n
).
Tip: Press a number, and then press Í to jump to a specific
n
value (month) while in TRACE.
6. Press y [FORMAT] ~ ~ Í to select uv axes
format.
7. Press p and change these variables as shown
below.
Xmin=84 Ymin=25
Xmax=237 Ymax=75
Xscl=50 Yscl=10
8. Press r. Trace both the number of rabbits (X) and
the number of wolves (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.