As x is a pure real number, but y only with imaginary part.
& t! F/ h- g4 m! Htvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.
! w1 F0 k6 }& L$ C5 I+ D) c% }1. x -> 0+0i
+ O4 k% M0 N; V2. y -> 0+1itvb now,tvbnow,bttvb! b+ v6 I- Z# v! s( n) {4 r
$ J5 r) ]% H& A1 K
Magnitude of x is |√(0^2 +0^2)| = 0
6 D3 K( M8 l8 M2 |% B2 X+ L+ `TVBNOW 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。Magnitude of y is |√(0^2+1^2)| = 1- b& h& [# B) P9 H
5.39.217.77:8898* }0 i7 \# o' [; d& J7 @
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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