As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb X/ C6 g7 g2 N4 ~& H! G4 y
So if want to compare these two numbers, it should compare there magnitude.! `8 V9 `6 ^. b* q7 l6 }: z, Y/ K
1. x -> 0+0i Y* N* F! Y2 O. z
2. y -> 0+1i
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Magnitude of x is |√(0^2 +0^2)| = 0
$ v$ D+ e! k/ ZMagnitude 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。) l3 [$ k$ e+ p4 ^; k1 K/ N) {
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So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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