42
2.2.4.2 Persamaan antar k11, k12, k21, k22, k31, k32, k41, k42
x1
a
b
x1
b1
u
x
2
c
d
x
2
b
2
x1
x
2
f
1( x1, x 2, u )
ax1
bx 2
b1u
f 2( x1, x 2, u )
cx1
dx 2
b 2u
k11
k12
k
21
f
1( x1(i), x 2(i), u )
f 2( x1(i), x 2(i), u )
f
1(( x1(i)
1
h.k11), ( x 2(i)
1
h.k12 ), u )
2
2
k
22
f 2(( x1(i)
1
h.k11), ( x 2(i)
1
h.k12 ), u )
2
2
k
31
f
1(( x1(i)
1
h.k 21), ( x
2(i)
1
h.k 22 ), u )
2
2
k
32
f 2(( x1(i)
1
h.k 21), ( x 2(i)
1
h.k 22 ), u )
2
2
k
41
k
42
f
1(( x1(i)
h.k 31), ( x 2(i)
h.k 32 ), u )
f 2(( x1(i)
h.k 31), ( x 2(i)
h.k 32 ), u )
…………………..(13)
2.2.4.3 Persamaan
Solusi
x1
(i
1)
x1 (i)
h
(k11
2k 21
2k 31
k 41)
6
………………(14)
x2 (i
1)
x2 (i)
h
(k12
2k 22
2k 32
k 42)
6
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