As x is a pure real number, but y only with imaginary part." n2 Y) G0 d3 B1 \/ o; o1 V
So if want to compare these two numbers, it should compare there magnitude.
) Y# _; P+ p! e3 Y1. x -> 0+0i
/ |/ @2 O T6 n* t+ v9 e2. y -> 0+1iTVBNOW 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。/ W, `; D) ^6 M1 w+ l% S' n% I
4 m- l6 s1 d; o9 Q: I5.39.217.76Magnitude of x is |√(0^2 +0^2)| = 0
, S) T8 T6 I' o/ }6 Ptvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 15.39.217.76* N1 m' o* p+ h @: f, f
% P$ N$ ^2 z/ F% ftvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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