As x is a pure real number, but y only with imaginary part.
; Y$ i/ Q3 s+ H, }So if want to compare these two numbers, it should compare there magnitude.tvb now,tvbnow,bttvb7 q6 o: k7 i0 V& I
1. x -> 0+0i
$ v( Q5 ^# ?" ttvb now,tvbnow,bttvb2. y -> 0+1i
2 p2 o, t3 x4 ~8 U4 GTVBNOW 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。& t F# a: l, }
Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb. `3 F/ R" \& V
Magnitude of y is |√(0^2+1^2)| = 1
- E+ t3 N9 i! [: e6 [, U7 R5.39.217.77:8898
' ~ c5 n2 @3 Y- _0 G* W9 Z) GSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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