As x is a pure real number, but y only with imaginary part.公仔箱論壇7 K. q3 }. x7 O2 O9 v5 M' X8 u8 V: L
So if want to compare these two numbers, it should compare there magnitude.
; @* O+ c6 w% F3 }( K- c1 I! I) }tvb now,tvbnow,bttvb1. x -> 0+0i" J4 d# m$ F- [4 d
2. y -> 0+1i
+ B# X* \5 j% o- h$ v/ q公仔箱論壇" ^4 _; ?: Q% }6 |& ]+ T. j8 p
Magnitude of x is |√(0^2 +0^2)| = 0
1 v4 F# J8 e7 m# A0 D9 cTVBNOW 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 @4 G- `+ x& H/ P" s公仔箱論壇" [- u" g' ~) w/ V' Z
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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