As x is a pure real number, but y only with imaginary part.
1 ]2 w7 ?$ `3 o9 h; x2 S6 ?tvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.
, f, o. @( @6 h: a& Ktvb now,tvbnow,bttvb1. x -> 0+0i \5 L7 T. K- ?
2. y -> 0+1i公仔箱論壇' x+ a; u6 t& Y9 T* p2 r; n
tvb now,tvbnow,bttvb7 G9 ^. L: @) X' L2 z% J
Magnitude of x is |√(0^2 +0^2)| = 0
$ t3 p3 N1 i7 e' y2 k9 C" O公仔箱論壇Magnitude of y is |√(0^2+1^2)| = 1TVBNOW 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。 i' E. ]. U4 p3 F
公仔箱論壇+ Q# w" X6 ?, A, c0 a: |- C0 ]
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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