As x is a pure real number, but y only with imaginary part.
* [! }2 J* P$ p% H" Ktvb 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。8 B- g* u7 {7 H) I$ I7 T# a
1. x -> 0+0i公仔箱論壇5 q7 S& C' b' g/ v
2. y -> 0+1i公仔箱論壇3 U- c. M( T* E0 } R6 s
8 B* q( n" R" x/ dMagnitude of x is |√(0^2 +0^2)| = 0
7 X, E- v0 m& ktvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 1
4 c8 W6 d$ F. E* i% A5.39.217.77, S, b- V; ]) R
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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