As x is a pure real number, but y only with imaginary part.
- V) ] E: U# O0 C. D* S! K5.39.217.76So if want to compare these two numbers, it should compare there magnitude.
; g( o$ X+ ~" W7 ^1. x -> 0+0i
3 j8 ~! s: Q/ C0 u- P' }4 u: I公仔箱論壇2. y -> 0+1i
! o$ D$ u5 A/ VTVBNOW 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。
) d% L$ ^3 b5 `( k5.39.217.76Magnitude of x is |√(0^2 +0^2)| = 0
; a1 }. ~' D4 f6 RMagnitude of y is |√(0^2+1^2)| = 1TVBNOW 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。! g6 c9 N. s3 Y: ?2 n
2 S4 @6 i! k% a2 [' Q1 m
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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