As x is a pure real number, but y only with imaginary part.www.tvboxnow.com# a$ [- w" r0 G( X' l) p
So if want to compare these two numbers, it should compare there magnitude.
; E2 b) ]+ @+ E- s, C1. x -> 0+0iwww.tvboxnow.com+ T1 S0 K% m4 H: e' `" e: o$ m! |
2. y -> 0+1i公仔箱論壇$ ]( [, c v% U8 g- R- X t
+ u+ b: B+ J2 j/ G' ^- u8 e, ^2 G3 n
Magnitude of x is |√(0^2 +0^2)| = 0. M! y( c& ~1 f& q/ ]* K
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。5 h. a, A3 P; k! j& F6 _
$ v; D& G; E* v' p& QTVBNOW 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。So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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