As x is a pure real number, but y only with imaginary part.
0 J9 B8 C- M3 C+ h ttvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.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。" D/ j& m" T/ e) h
1. x -> 0+0i
% I' c2 W8 k x% f( u2 P公仔箱論壇2. y -> 0+1i9 I' a8 @! j8 R2 ]
- g: {7 \+ g! D, D0 T* BMagnitude of x is |√(0^2 +0^2)| = 0
3 A7 @ ?# O8 n5 k8 j& q6 _Magnitude of y is |√(0^2+1^2)| = 1
: M7 E. X. {9 B mtvb now,tvbnow,bttvb
* \) I# c7 @* ~! v8 F. ltvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2013-1-6 06:17 PM
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