As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb" m7 b. T- W: O. X7 {- O. }
So if want to compare these two numbers, it should compare there magnitude.
) h0 |2 {9 v' a9 {公仔箱論壇1. x -> 0+0i
. j" l; M( ]- O1 ?5 J- Ntvb now,tvbnow,bttvb2. y -> 0+1i! k. @2 _; z( ^
* n& d) @# L# O# }: UMagnitude of x is |√(0^2 +0^2)| = 00 f5 t8 n, N7 X: p5 J( ]9 X1 S
Magnitude of y is |√(0^2+1^2)| = 15.39.217.77:88987 e. F% Y7 O" L% p
5.39.217.77:8898, P; F% } X" ^7 s& }
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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