As x is a pure real number, but y only with imaginary part.
; G4 |% B0 j6 lwww1.tvboxnow.comSo if want to compare these two numbers, it should compare there magnitude.tvb now,tvbnow,bttvb4 ~. I5 T- A" e, q, }
1. x -> 0+0i3 w0 g9 v! W' R) P" w
2. y -> 0+1i
! K) ~; ~* j; ~+ d/ u" h' c
' E) \) I; @: o6 R- ~, KMagnitude of x is |√(0^2 +0^2)| = 0www1.tvboxnow.com* P' @/ D/ P' {8 Q$ I; r
Magnitude of y is |√(0^2+1^2)| = 1
! j) r$ ~ W F' L( Ytvb now,tvbnow,bttvb+ ~; P4 u0 l& S/ V4 i5 T- [
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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