As x is a pure real number, but y only with imaginary part.
1 G5 j) b6 e" [4 @6 |3 ^6 }% ~+ RSo if want to compare these two numbers, it should compare there magnitude.* P) a S, [' r! \4 W! K
1. x -> 0+0i
5 X; n5 G" J" n' J- L& V: E/ {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. y -> 0+1i
7 M3 }0 s) N0 I; }. [4 [公仔箱論壇
) [& f8 G6 H9 y! G, z, lMagnitude of x is |√(0^2 +0^2)| = 01 K9 T. Q2 _, y; P4 Z! p
Magnitude of y is |√(0^2+1^2)| = 1
# h0 p0 C; Y. v# itvb now,tvbnow,bttvb0 a2 e8 F' ?9 L, x
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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