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。+ p {4 i$ D% z9 }/ N4 {5 F
So if want to compare these two numbers, it should compare there magnitude.
$ R3 B/ t7 b6 z0 {+ `0 ]5 b ]1. x -> 0+0i
$ o' v+ K* ^$ s' `0 ^2. y -> 0+1i
- J; t7 I6 M- N" O9 \www3.tvboxnow.com
; v: X" f. M4 y' _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。Magnitude of x is |√(0^2 +0^2)| = 0) n2 P6 @1 R" z. F1 e$ j
Magnitude of y is |√(0^2+1^2)| = 10 ~7 A% e4 _4 H* u) W( r/ O* \
! I) S' j. d+ L; p) ctvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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