As x is a pure real number, but y only with imaginary part.公仔箱論壇; ]0 } `9 ~ l( n
So if want to compare these two numbers, it should compare there magnitude.TVBNOW 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。6 H; ^, P; b" ~* S: m9 ]
1. x -> 0+0iTVBNOW 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 Q( ]3 F2 J. t
2. y -> 0+1i. q- ^$ M, U& i) W# V
: d$ {) @; y1 f0 V1 F' }: o! I! o! `Magnitude of x is |√(0^2 +0^2)| = 0
7 K# z. K# D! W# J4 u2 P# O. d6 D公仔箱論壇Magnitude of y is |√(0^2+1^2)| = 1
) r* ^6 x i4 \1 q公仔箱論壇公仔箱論壇4 d3 C/ r% @( A; H2 |6 E% Y; a% z
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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