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System of First Order Differential Equations
Example 1
To graph the solution of first order differential equations with two
unknowns below.
y
y
(
)n= (
1
Use the following V-Window settings.
Xmin = –3,
Ymin = –2,
Procedure
1 m DIFF EQ
2 4(SYS)
3 2(2)
4 3(
yn
)cw
-3(
yn
)b+svw
5 aw
bw
a.bw
6 5(SET)b(Param)
7 -cw
fw
8 a.bw*
i
1
*
1
Result Screen
5-2
y
y
x
x
), (
)n = – (
) + sin
,
2
2
1
Xmax = 6,
Xscale = 1
Ymax = 2,
Yscale = 1
y
y
= 0.1, –2 <
= 0, (
)
= 1, (
)
0
1
0
2
0
9 5(SET)c(Output)4(INIT)
cc1( SEL)
y
y
(Select (
) and (
1
2
i
0 !K(V-Window)
-dw
gw
bwc
-cw
cw
bwi
! 6(CALC)
2
*
x
< 5,
h
= 0.1.
2
) to graph)*
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