As x is a pure real number, but y only with imaginary part.
5 E6 D+ P5 t. D9 E0 VSo if want to compare these two numbers, it should compare there magnitude.' g6 A& K# d4 I: m( [' H" Q
1. x -> 0+0i
8 ~8 s6 \ l7 U6 |" Vtvb now,tvbnow,bttvb2. y -> 0+1i
( W$ w2 c) J( Z3 U ~0 mtvb now,tvbnow,bttvb
- c% N2 M! \4 j( r8 P5 gTVBNOW 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)| = 0
% Q; Y7 M ?% u公仔箱論壇Magnitude of y is |√(0^2+1^2)| = 15.39.217.77:8898: O7 H( q: v* q
公仔箱論壇( X2 ?' M7 E, p
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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