As x is a pure real number, but y only with imaginary part.1 s% G# [4 _8 V/ h" `: t) ?" T! Q
So if want to compare these two numbers, it should compare there magnitude.
0 S0 C& j! a+ z' |tvb now,tvbnow,bttvb1. x -> 0+0i
( T/ Y. P4 M2 d0 r% Y# I公仔箱論壇2. y -> 0+1i
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Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb7 Y- N0 G" c- |' h) Q) m Q
Magnitude of y is |√(0^2+1^2)| = 1
6 e9 l: ]; h3 k7 [, f% p! `, I- m7 Jwww2.tvboxnow.comTVBNOW 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 I2 J# ]- ^. {6 M+ D7 x9 m) ^3 W$ I
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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