As x is a pure real number, but y only with imaginary part.www3.tvboxnow.com1 z1 b: O3 b N
So if want to compare these two numbers, it should compare there magnitude.
, v1 Q& n; n: _& Mtvb now,tvbnow,bttvb1. x -> 0+0i公仔箱論壇4 u! ]5 e4 r: @! v' w
2. y -> 0+1i4 Y8 i7 a8 n' D- i& }
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。& u3 [( G2 _* [: v8 X/ `3 @# B6 [4 l
Magnitude of x is |√(0^2 +0^2)| = 0
8 y/ T# c5 u1 z8 E3 z: ?www3.tvboxnow.comMagnitude of y is |√(0^2+1^2)| = 1
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% `. G7 J5 }* nSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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