As x is a pure real number, but y only with imaginary part.! P7 [: s; ~' E8 U
So if want to compare these two numbers, it should compare there magnitude.
& T% O1 T X- Y" p2 z7 Ttvb now,tvbnow,bttvb1. x -> 0+0i
3 _7 r; `$ Q4 A2 l8 h; Xtvb now,tvbnow,bttvb2. y -> 0+1i
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Magnitude of x is |√(0^2 +0^2)| = 0TVBNOW 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。; l3 ~( `7 J0 A% G" X Q* ?6 O
Magnitude of y is |√(0^2+1^2)| = 1
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, P: U6 [! |: w( Mtvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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