Table of Contents
Advertisement
146
Chapter 10: Differential Equation Graphing
does not store values
DrEqu(
to
,
, or
.
x
y
t
In the example, the default
window variable values are
set. If necessary, select
ZSTD
from the
GRAPH ZOOM
menu.
If you select
field
FldOff
format, you must enter initial
conditions before you use
.
DrEqu(
xList, yList, and tList are optional list names to which you can store the solutions
. You then can display the lists on the home screen or in the list editor (Chapter 11).
t
Use the free-moving cursor to select initial conditions.
You cannot trace the drawing. However, you can plot xList, yList, or tList as a stat plot
after you draw the equation, and then trace them (Chapter 14). Also, you can fit statistical
regression models to the lists (Chapter 14).
Display the mode screen and set
graphing mode.
Display the format screen and set
field format.
Display the equation editor and store the
equations
Q'1=Q2
and
all other equations.)
Remove the format screen, and then select
DrEqu
from the
GRAPH DRAW
DrEqu(
is pasted to the home screen.
Assign variables to the x- and y-axes.
Specify list names to which to store the
solution lists for
x
,
y
, and
- m # # #
DifEq
# " " " b
6 / & #
DirFld
# # # # "
b
& '
Q'2=LQ1
. (Delete
. . 6
/ ' &
menu.
1 ã
1 ã
1 ã
P 1 ã
t
.
ä P 1 ã
ã
Y
1 ã
# a '
2
1
P
ä
Q
1
P
ä
Q
2
ä 1 ã
ä
L
X
ä 1
L
ä
L
ä E
T
,
, and
x
y
Hide quick links:
Advertisement
Table of Contents
