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。2 \. t0 I. z! z
So if want to compare these two numbers, it should compare there magnitude.% o: m( b8 `* t1 g' o* Z+ B( V
1. x -> 0+0i
; b3 O/ v2 o# p# B; R4 itvb now,tvbnow,bttvb2. y -> 0+1i公仔箱論壇: B7 f9 c$ k1 n4 ?
9 ?3 N: g8 f, X" m# SMagnitude of x is |√(0^2 +0^2)| = 0$ A) q9 W: p4 c8 D {" Z
Magnitude of y is |√(0^2+1^2)| = 1
0 X" y' z, u$ w4 S, f; F
2 a; i; o! S0 z& z: e. R1 D- _ q公仔箱論壇So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
