As x is a pure real number, but y only with imaginary part.5.39.217.769 W9 l* H% Y# e- Q5 w$ x0 y6 N4 o
So if want to compare these two numbers, it should compare there magnitude.
6 Q# s9 b4 e9 A& a4 I公仔箱論壇1. x -> 0+0iTVBNOW 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。4 }! F [7 w* f1 `' M8 [
2. y -> 0+1i
. P# n" a' y8 T( q1 s* @tvb now,tvbnow,bttvb3 F7 L7 J3 {; |9 l5 `# @) r; u
Magnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇+ r8 ^; ~) `& ~ s
Magnitude of y is |√(0^2+1^2)| = 1
- ^ n' l( W2 H0 ]+ e7 J# ~& k9 F: bTVBNOW 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。5.39.217.76; _2 l, G: C D/ `
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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