As x is a pure real number, but y only with imaginary part. k- V* o U+ ~: x
So if want to compare these two numbers, it should compare there magnitude.
+ `8 n# p' n# u0 P6 @. A公仔箱論壇1. x -> 0+0i公仔箱論壇* W: U; ~7 j$ k# j
2. y -> 0+1i
$ ]* q+ T$ X: K$ b8 X公仔箱論壇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。3 G0 ]" I8 a9 ~- O) |5 w
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。0 w' M$ D" x- G5 U
Magnitude of y is |√(0^2+1^2)| = 1公仔箱論壇7 k8 p' f# W8 c+ v/ e
. ~8 N( @" m: l4 Q3 }tvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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