As x is a pure real number, but y only with imaginary part.; ~) P% q) B6 |# `
So if want to compare these two numbers, it should compare there magnitude.* M/ n( u; i# E: Y! o3 A9 N
1. x -> 0+0i
3 L# U$ F" e/ l# V2. y -> 0+1i
% c) k' x+ k1 B/ PTVBNOW 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。
' E+ |6 k( l7 C) p1 atvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 05.39.217.76. V. G! E3 n$ y/ |2 f0 i, T
Magnitude of y is |√(0^2+1^2)| = 1
2 S8 Z0 [7 P) o8 E. {4 K
# v {2 x+ x1 }$ Y! L3 U' @# X/ {So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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