As x is a pure real number, but y only with imaginary part.
$ {0 \( s# C& \tvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.$ t* B( d, m8 x0 z# O- A' l9 K, y/ I5 \
1. x -> 0+0i公仔箱論壇* A- `2 h* s8 y' p! s
2. y -> 0+1i
4 m, b& |0 ~7 G, d公仔箱論壇tvb now,tvbnow,bttvb7 f; O- p0 k; M8 L u) y, c$ g
Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb- [! E( `+ F7 G: E' v7 Z9 B$ S( \
Magnitude of y is |√(0^2+1^2)| = 1
5 q/ H4 h3 i$ c: q8 ]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。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。& b$ m* g' h* d* @
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
