As x is a pure real number, but y only with imaginary part.
$ g u, [; v9 U8 ?8 Otvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.2 i! ?4 }8 K3 Y+ P$ E6 s% C* ]
1. x -> 0+0i公仔箱論壇$ V! X5 t9 ]! t+ B2 c* w7 p
2. y -> 0+1i
. b- D/ I" s% s& C
' Y$ J0 z1 D( w: jtvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
. C6 V% V) _1 zTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Magnitude of y is |√(0^2+1^2)| = 1
" v$ J2 K& l7 ^5 |' b6 }# y3 s$ tTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。公仔箱論壇3 @3 }% ?+ _, a4 m
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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