As x is a pure real number, but y only with imaginary part.5.39.217.77:8898* _+ V& c7 @" |# G) V
So if want to compare these two numbers, it should compare there magnitude.
6 x" T- J$ w! Q* a% F7 f9 A公仔箱論壇1. x -> 0+0i% [0 a( I( Q# `' ]7 H
2. y -> 0+1i
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& p( I- [* f$ @' u! g5.39.217.77:8898Magnitude of x is |√(0^2 +0^2)| = 0
- Q; U+ Y X+ x; P# jTVBNOW 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 y is |√(0^2+1^2)| = 1
2 c1 X9 a2 [0 s9 j% V- w$ O! M公仔箱論壇
$ _" i% c6 T5 K; z( h" H5.39.217.77:8898So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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