As x is a pure real number, but y only with imaginary part.
& G3 p$ l6 q1 H+ u6 z6 [* \ cSo if want to compare these two numbers, it should compare there magnitude.
2 x. Q8 ^8 e; z$ e# J' g0 N4 dTVBNOW 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。1. x -> 0+0i$ A& g, U. Z4 E- e/ |& {
2. y -> 0+1itvb now,tvbnow,bttvb" g/ T$ a& L! ~
6 _/ C t& C5 {: I9 qwww3.tvboxnow.comMagnitude of x is |√(0^2 +0^2)| = 0& |* R8 T+ T7 F) v- h
Magnitude of y is |√(0^2+1^2)| = 1公仔箱論壇 Z6 ^2 _; Q _- I* C
' `& t4 O9 V8 Q. K3 N4 {( [: ?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。So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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