As x is a pure real number, but y only with imaginary part.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。$ _9 {% t/ F) e) [! x
So if want to compare these two numbers, it should compare there magnitude.
, ^0 K* N. O4 [$ s. \6 O! b公仔箱論壇1. x -> 0+0i. R& s; i @% Q* }3 B* _
2. y -> 0+1i/ x# q7 a4 D( Y1 c+ ]' O) v
tvb now,tvbnow,bttvb; D) J; ?" R2 z V) g
Magnitude of x is |√(0^2 +0^2)| = 0
3 B8 t5 b. q) {: ^% TMagnitude of y is |√(0^2+1^2)| = 15 h$ B) G$ p6 H @& i4 v# ? z
5 T' W, _2 G6 y' @So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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