As x is a pure real number, but y only with imaginary part.
* v% G( r6 t9 x+ |1 Z- M5 z9 HSo if want to compare these two numbers, it should compare there magnitude.
4 G; W9 Y6 m9 j% i1 c公仔箱論壇1. x -> 0+0i
( _2 [4 ?6 j0 j0 X2 S* w @0 A/ s% Itvb now,tvbnow,bttvb2. y -> 0+1i
% H4 o% w6 v) u/ C
( B7 {* L, A6 cMagnitude of x is |√(0^2 +0^2)| = 0
. p2 w( O6 R# ntvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 1
& h0 @3 V5 T5 ~# a7 p* 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。, D$ Z( p7 C1 a! I1 b }4 H- r8 \
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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