As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb# k# z4 X. W$ d4 y
So if want to compare these two numbers, it should compare there magnitude.
9 l6 y7 ?3 v$ d8 ~& E: y3 p# X0 {1. x -> 0+0i
2 `- X0 g! K* C, R1 Ztvb now,tvbnow,bttvb2. y -> 0+1iwww2.tvboxnow.com! T/ t# X7 o- n i
. L7 D3 O; ]4 B' W' v7 e* {. U+ g( @8 Jwww2.tvboxnow.comMagnitude of x is |√(0^2 +0^2)| = 0
( |1 b1 l" C3 w) A; \+ B1 c公仔箱論壇Magnitude of y is |√(0^2+1^2)| = 1+ _' L1 @/ Z: l% H( l. y! m
0 I$ F0 {9 d- z' V* ^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。So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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