As x is a pure real number, but y only with imaginary part.2 G1 q$ e( r/ U, V7 o
So if want to compare these two numbers, it should compare there magnitude.
6 q* ^7 A% m: C7 j A% t* ~1. x -> 0+0itvb now,tvbnow,bttvb8 T' G8 T h) \: \% M
2. y -> 0+1i
1 e% V- N; X4 XTVBNOW 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。
7 H3 M, w+ d% _, s% c+ yTVBNOW 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 x is |√(0^2 +0^2)| = 0+ R6 X6 H: g: a
Magnitude of y is |√(0^2+1^2)| = 1
6 h ]7 T, q& Q公仔箱論壇
2 N8 `9 M! q0 `www1.tvboxnow.comSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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