As x is a pure real number, but y only with imaginary part.
% T5 y- O( t- L$ \' Qtvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.
; p9 j: W! P9 J; p z公仔箱論壇1. x -> 0+0i
# L% u# o+ h) J, d- J公仔箱論壇2. y -> 0+1i
# a2 [% ]( w4 F2 }
9 t- B. T$ G. c0 Y7 u0 c7 aMagnitude of x is |√(0^2 +0^2)| = 0. g8 y; d# a$ a& ?# M5 ^' Z! U: b
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。2 {$ n. ], n# {: M
8 V. L* a' X# l! F/ \0 t
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
