As x is a pure real number, but y only with imaginary part.
8 }- G+ O+ P+ btvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.
9 H" N* e9 A4 J1 m1. x -> 0+0i公仔箱論壇$ }6 L6 X, _ ]$ T8 [1 O2 `3 C( U
2. y -> 0+1i
6 T4 x* ~, K6 @3 K( Htvb now,tvbnow,bttvb
. d" o+ Z# B: k% |1 V9 }1 mos.tvboxnow.comMagnitude of x is |√(0^2 +0^2)| = 0
8 t* d+ }: H) z9 ]) P$ gTVBNOW 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
2 V! z1 d$ @* u# P+ H" W公仔箱論壇
- z" Z. |. O# u* E$ [So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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