As x is a pure real number, but y only with imaginary part.www2.tvboxnow.com! E# J7 [! y: U1 K# j0 n- ?6 g
So if want to compare these two numbers, it should compare there magnitude.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。$ |! ]0 @. J y' i2 @" L* s
1. x -> 0+0i
% E$ g/ Z5 c( Dwww2.tvboxnow.com2. y -> 0+1i
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- Z" I# Q$ g. j7 C: y9 Etvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
. [# Y% I/ N4 f; Ktvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 1公仔箱論壇% q& |: l1 {" d0 ^3 U
tvb now,tvbnow,bttvb, m, r/ H& o V6 O
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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