As x is a pure real number, but y only with imaginary part.5.39.217.76' C: ^! o6 N- P5 v7 z
So if want to compare these two numbers, it should compare there magnitude.
S5 T( Q; K$ R8 w& m7 |4 |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。1. x -> 0+0itvb now,tvbnow,bttvb6 J- W. M! B( P
2. y -> 0+1i
l+ i4 P( ?% c公仔箱論壇5.39.217.76, b6 Z B- n/ k- l/ k2 w' c. }
Magnitude of x is |√(0^2 +0^2)| = 0
8 A# {8 M& n! `0 wTVBNOW 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。Magnitude of y is |√(0^2+1^2)| = 1
% v6 n% T0 k9 X% Dtvb now,tvbnow,bttvb: @; \ @- A) h8 f
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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