As x is a pure real number, but y only with imaginary part.. G, q0 w$ O) m* U
So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇 ~0 A5 M4 _% q* d8 D
1. x -> 0+0i1 {2 x+ B3 X' u; O N
2. y -> 0+1i公仔箱論壇( o) T3 q+ D) g; ^0 Y0 e2 H9 W
: K9 b5 F w! L' ^TVBNOW 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 x is |√(0^2 +0^2)| = 02 m; K1 J% i7 y# k% y- _
Magnitude of y is |√(0^2+1^2)| = 1
$ y4 y: w& ^2 g- H/ B5 Ctvb now,tvbnow,bttvb
* Q) V+ P5 h' E* mSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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