As x is a pure real number, but y only with imaginary part.
1 F- D! c5 [5 p$ _# |tvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.
- U( y1 C; H& l( u& q8 S5 ]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。1. x -> 0+0i3 N# f/ J5 W3 @, n9 c( q
2. y -> 0+1i% K& L+ T( M; O: K1 x
公仔箱論壇9 d9 d. E: E4 f# ~8 S
Magnitude of x is |√(0^2 +0^2)| = 0
. h5 N, d& {* y3 N; C, |6 P! {公仔箱論壇Magnitude of y is |√(0^2+1^2)| = 1
! w4 k7 x; n" c, A" ~, Htvb now,tvbnow,bttvb9 W6 l+ c; K7 F5 ]( Z1 U
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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