As x is a pure real number, but y only with imaginary part.公仔箱論壇' h' r+ F* \8 K' v; B; D' \) X# F6 u& }
So if want to compare these two numbers, it should compare there magnitude.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。5 g* O2 L( e& y0 D* F7 J) X3 ]
1. x -> 0+0i
, w0 i- u, [+ Ztvb now,tvbnow,bttvb2. y -> 0+1i
; T" u, T0 v0 F4 `6 @% t* 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。
/ I3 ~8 b# D0 N$ a8 {- {/ ]6 dtvboxnow.comMagnitude of x is |√(0^2 +0^2)| = 0tvboxnow.com1 W* \( V0 U' j% n) ^+ z' o
Magnitude of y is |√(0^2+1^2)| = 1
% B' g) T2 W* ]! J0 mtvb now,tvbnow,bttvb
3 E3 [2 W- r8 L1 a% u& LSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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