As x is a pure real number, but y only with imaginary part.
* p- J: U8 y' x p! @www1.tvboxnow.comSo if want to compare these two numbers, it should compare there magnitude.
/ y: D( u9 Q( E( {8 Ytvb now,tvbnow,bttvb1. x -> 0+0i6 E5 `( T% J% F
2. y -> 0+1i
6 a/ ^4 i* D9 @2 j/ n公仔箱論壇% n7 F, f1 D' P9 b4 y& b" D) I
Magnitude of x is |√(0^2 +0^2)| = 09 B' @! {# n+ ~0 U8 _! s
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。. W9 L* r5 R; ?# @$ \8 M8 G
公仔箱論壇$ a6 b% Y4 t3 d' z( B
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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