As x is a pure real number, but y only with imaginary part.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。, b, R M/ f: ~1 G- c0 L! _
So if want to compare these two numbers, it should compare there magnitude.
& j+ j8 Q; ^* ^公仔箱論壇1. x -> 0+0i' w7 E3 {. E" [
2. y -> 0+1i
3 Z( _& M2 ~' U$ y公仔箱論壇
! H' @: o' H! d( dTVBNOW 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 x is |√(0^2 +0^2)| = 0
0 _/ t5 b5 m( l! a2 s8 ~3 @( \8 QMagnitude of y is |√(0^2+1^2)| = 1公仔箱論壇 t6 `% u2 K% X* e/ F9 ^
% C$ r9 d0 o; Z' u* w
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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