As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb9 L) O7 b& ?0 J$ Z: [$ U* K$ f
So if want to compare these two numbers, it should compare there magnitude.tvb now,tvbnow,bttvb* _/ B! Y* H2 R) o. Q
1. x -> 0+0i
8 v0 i: V0 a5 i, d" h0 X2. y -> 0+1i
8 Z& L4 U8 X5 e1 R S/ etvb now,tvbnow,bttvb
6 v1 u9 _+ y! w# A8 p+ T+ s9 ]. Atvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0 r' p" y9 Q$ F2 G6 k/ g
Magnitude of y is |√(0^2+1^2)| = 1
; E' G1 B6 z; Z0 c. Y1 Ktvb now,tvbnow,bttvbTVBNOW 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。( K# q; F, T6 D' ^! h+ K; R5 |: |
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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