As x is a pure real number, but y only with imaginary part.& j: a" ^5 h1 x8 j
So if want to compare these two numbers, it should compare there magnitude.
8 K8 b6 Q1 s% S- t* v1. x -> 0+0i
; |4 j' c7 X; p% M9 x+ }* i' k5.39.217.77:88982. y -> 0+1i
+ J# N6 N7 r3 Dtvb now,tvbnow,bttvb公仔箱論壇9 T5 R% m0 Q! G' o
Magnitude of x is |√(0^2 +0^2)| = 0TVBNOW 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。1 }& T9 Z, o5 z8 o7 l% Z
Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb& ^/ U( E% U6 h5 A
公仔箱論壇- U; O9 ^1 d+ S+ w H
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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