As x is a pure real number, but y only with imaginary part.1 K+ ~2 x4 b5 h7 @ B: U, A
So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇+ \2 F; q4 b6 q- g: y
1. x -> 0+0itvb now,tvbnow,bttvb( X$ e4 q0 n0 @5 h9 l5 U
2. y -> 0+1i
5 F/ u+ `0 Z p% K# d W: J- Ntvb now,tvbnow,bttvb
7 e/ c7 I+ Y( qMagnitude of x is |√(0^2 +0^2)| = 0
- `) V5 ?% V. N; O- C3 R4 N' d7 W# T5.39.217.76Magnitude of y is |√(0^2+1^2)| = 1
7 r. _( s9 h% A+ KTVBNOW 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。公仔箱論壇0 M- u& r# W# a& m9 O$ _' y
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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