As x is a pure real number, but y only with imaginary part.公仔箱論壇9 N. l9 ?2 M9 Q, g; ~$ H" c
So if want to compare these two numbers, it should compare there magnitude.
3 _3 [- `- Q3 G. o& Ftvb now,tvbnow,bttvb1. x -> 0+0i
" ~$ G# ^) ]* y; i: `. g" e5 [/ j公仔箱論壇2. y -> 0+1iTVBNOW 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。5 G; K- a0 F6 o% U0 D* R
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Magnitude of x is |√(0^2 +0^2)| = 0
& m+ ]# W( ]2 G$ D' B5.39.217.77:8898Magnitude of y is |√(0^2+1^2)| = 15.39.217.77:88985 E: x+ l3 {& W. }0 G6 N
8 L7 d% j f2 \4 g1 g% i8 |# htvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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