As x is a pure real number, but y only with imaginary part.
" u; f, G" |( ]5 Q' F+ b$ j5.39.217.77So if want to compare these two numbers, it should compare there magnitude.
; E- G- r5 s8 f W公仔箱論壇1. x -> 0+0i公仔箱論壇, m8 [1 T- o7 X% a0 ^
2. y -> 0+1i
. A1 i, M4 \7 e+ p3 YTVBNOW 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。- h2 w9 c9 E+ [4 b
Magnitude of x is |√(0^2 +0^2)| = 0TVBNOW 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。! D4 j' S0 i+ M% u y
Magnitude of y is |√(0^2+1^2)| = 1
6 U3 J- H4 m T6 I5 ~
6 T- q' z* Y: j& _So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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