As x is a pure real number, but y only with imaginary part.
% Z1 q/ w! Y( w! t7 OSo if want to compare these two numbers, it should compare there magnitude.
$ X" k* b' j! n% A. z1. 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 p# d" M+ |3 M, `# `6 @4 Q3 ^1 u2 N8 b) q
2. y -> 0+1i5.39.217.761 [, |/ D3 z7 Q( B; a; u, d* P' q
公仔箱論壇% n2 l2 W4 }% ] n; Q; Z R
Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb" l: N8 j0 w& f2 O
Magnitude of y is |√(0^2+1^2)| = 12 c* x* @$ e% ?' z
* [% I& r& I, S1 ~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。So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
