As x is a pure real number, but y only with imaginary part./ S% \2 h8 o( O# l
So if want to compare these two numbers, it should compare there magnitude.
5 t( U8 b& H8 Z0 _3 STVBNOW 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。1. x -> 0+0ios.tvboxnow.com3 H9 e& [) i: h; `: E! ~
2. y -> 0+1i
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( G) X; {' i$ L/ K8 S: G1 U. eos.tvboxnow.comMagnitude of x is |√(0^2 +0^2)| = 0
: o$ V) l' L& ]( L4 e8 }. CMagnitude of y is |√(0^2+1^2)| = 1
: @" t1 y& V+ q" Q( ~, ~; FTVBNOW 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。公仔箱論壇$ I$ K! C! @! `( o) y
So, the magnitude of y >x |
發表於 2013-1-6 06:17 PM
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