As x is a pure real number, but y only with imaginary part.
2 G1 J3 n. Y! Gtvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.+ n/ A5 x9 o- i' L" ^4 `, X" _
1. x -> 0+0itvb now,tvbnow,bttvb* [9 T+ J; G. v2 _' F" R
2. y -> 0+1iTVBNOW 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。- l7 Z# U9 ^+ r. a% C4 V! |) h
4 w) s. [: ^( @1 a" S! s8 o& ~公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 0
+ ~/ R( W0 K0 |4 h% N" {公仔箱論壇Magnitude of y is |√(0^2+1^2)| = 1
9 T1 e: n3 c2 p; }7 \tvb now,tvbnow,bttvb
! S& T3 o, z0 Q% iTVBNOW 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
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