As x is a pure real number, but y only with imaginary part.公仔箱論壇/ K$ L5 V, L( _# D+ ?8 u, v
So if want to compare these two numbers, it should compare there magnitude.$ q# B; k4 o. k( k# C$ I
1. x -> 0+0i
2 ~+ m8 O2 V) K1 W9 dTVBNOW 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。2. y -> 0+1itvb now,tvbnow,bttvb6 N7 X% n3 X5 Y/ L# f. F
* j) o3 z% G. e5 kMagnitude of x is |√(0^2 +0^2)| = 0
) [4 c/ j' O Z* y* R0 v$ |5 xMagnitude of y is |√(0^2+1^2)| = 1
( y+ W, d7 B8 H% Z2 c. I公仔箱論壇公仔箱論壇$ [5 K0 S( v" Z* t& k( l( H
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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