As x is a pure real number, but y only with imaginary part.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。/ k2 Z, k2 D6 r- B" n( }& z
So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇) Z: P( Y5 n/ f0 a+ q
1. x -> 0+0i
' r# x; n1 \- `# S) G P2. y -> 0+1i
! d/ H* R H7 S: ?公仔箱論壇
$ H0 j1 ]4 K# {& rMagnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇! i3 t9 j3 C0 y' A' K, D" ^" Z
Magnitude of y is |√(0^2+1^2)| = 1
" c! ~5 K" @" ?# A) htvb now,tvbnow,bttvb
& x+ r4 a6 A6 d6 K2 H kSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
