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15
jika q= (a + bi + cj + dk )
maka
q
=
(a - bi - cj - dk
)
=
q.q
=
a
+
b
+
c
+
d
2
a,b,c,d ?Real
,
q
?
0
,
q
-1
?
Quaternion
3.Operasi * distributif terhadap +
q*(w+z) = qw + qz
q =
(a + bi + cj + dk )
w
=
(w + xi +
yj + zk
)
z =
(e + fi + gj + hk
)
a,b,c,d,e, f , g,h,w, x, y, z ?Real
2.2.4.1 Operasi
Quaternion
Berbeda dengan Bilangan kompleks , quaternion tidak bersifat komutatif .
Sifat – sifat dasar quaternion
i² = j² = k² = ijk = - 1
p
=
t + v = t + bi + cj + dk
q
=
a
+
u
=
a
+
xi +
yj +
zk
p
×
q
?
q
×
p
( non komutatif )
p
×
(q × r) =
(
p
× q)
×
r
( assosiatif )
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