As x is a pure real number, but y only with imaginary part.
/ e% I F; s) o& TSo if want to compare these two numbers, it should compare there magnitude.
5 g, ]* L2 Q; X; {5 x5.39.217.77:88981. x -> 0+0i
4 a* J# d2 L2 Q4 f. Q6 X* i9 g0 [/ _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。2. y -> 0+1i5.39.217.77:88983 N, E. k& o5 @- s9 y
" H6 |# O1 R- F, x; CMagnitude of x is |√(0^2 +0^2)| = 0
& T9 M& w7 O- ? H8 r8 b1 _" [$ C( LMagnitude of y is |√(0^2+1^2)| = 1
% i- k3 D9 B9 D- Z公仔箱論壇
- w8 I8 X8 w- R' p9 f5 B* @: Otvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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