Casio Differential Equation Software Manual page 20

For the algebra fx 2.0
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System of First Order Differential Equations
Example 2
To graph the solution of the system of first order differential equations
below.
y
(
)n = (2 – (
1
y
(
)n = (2 (
2
x
= 0, (
0
Use the following V-Window settings.
Xmin = –1,
Ymin = –1,
Procedure
1 m DIFF EQ
2 4(SYS)
3 2(2)
4 (c-3(
yn
)c)*3(
bw
(c*3(
yn
)b-d
)*3(
yn
)cw
5 aw
bw
b/ew
6 5(SET)b(Param)
7 aw
baw
8 a.bw*
i
1
1
*
Result Screen
5-3
y
y
)) (
)
2
1
y
y
) – 3) (
)
1
2
y
y
= 1/4, 0 < < < < <
x
)
= 1, (
)
1
0
2
0
Xmax = 11,
Xscale = 1
Ymax = 8,
Yscale = 1
yn
)
< < < < < 10,
h
= 0.1.
9 5(SET)c(Output)4(INIT)
cc1( SEL)
y
y
(Select (
) and (
) to graph.)
1
2
ff2( LIST)bw( Select LIST1
to store the values for
c2( LIST)cw ( Select LIST2 to
store the values for (
c2( LIST)dw ( Select LIST3 to
store the values for (
i
0 !K(V-Window)
-bwbbwbwc
-bwiwbwi
! 6(CALC)
*
2
y
(
)
1
y
(
)
2
x
in LIST1)
y
) in LIST2)
1
y
2
) in LIST3)*
2

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Diff eqAlgebra fx 1.0 plusAlgebra fx 2.0

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