As x is a pure real number, but y only with imaginary part.
/ {% Q) j" M. u% J$ T/ s9 q1 SSo if want to compare these two numbers, it should compare there magnitude.
( a4 f$ Z& o5 Q3 h( ~/ w) [公仔箱論壇1. x -> 0+0i
6 p$ [* v; e; q$ N4 e9 Ftvb now,tvbnow,bttvb2. y -> 0+1itvb now,tvbnow,bttvb4 G8 m' o5 L& O% O' S
0 t$ e' l0 M6 v2 W: Qtvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb8 p0 \$ n% \) ^9 g' o
Magnitude of y is |√(0^2+1^2)| = 1TVBNOW 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。6 M8 B z7 q+ T+ p7 @
5.39.217.765 n) ]; t S& ^0 z. b4 w
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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