As x is a pure real number, but y only with imaginary part.0 g+ D3 ~/ a- t7 {: n
So if want to compare these two numbers, it should compare there magnitude.tvb now,tvbnow,bttvb: @, u5 d* M) M. @0 j
1. x -> 0+0itvb now,tvbnow,bttvb, |4 _) M* v. N/ R i
2. y -> 0+1i
5 E- \+ y2 {7 d* HTVBNOW 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。' I* a: f5 R$ g/ g
Magnitude of x is |√(0^2 +0^2)| = 0
( Q6 |( P0 \2 K# L- Pwww2.tvboxnow.comMagnitude of y is |√(0^2+1^2)| = 1
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/ g* |5 |' J0 v9 Jtvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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