As x is a pure real number, but y only with imaginary part.
5 }% _8 q# ?9 ?" d/ q; a u6 n. a公仔箱論壇So if want to compare these two numbers, it should compare there magnitude.
}+ y; L7 h5 V- P, H1. x -> 0+0i公仔箱論壇9 G: ~5 d1 y4 d7 o. Z6 |2 o
2. y -> 0+1i
$ m _* S5 y* ^! _1 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。0 Z7 N: P8 I8 n4 ^4 b
Magnitude of x is |√(0^2 +0^2)| = 0
' ?1 H ^. e2 g& {5 g, IMagnitude of y is |√(0^2+1^2)| = 1
" [! i# Z# K9 i9 t公仔箱論壇
; {' @' _/ m9 l% V: x( n# V3 Vtvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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