As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb2 t/ C; m; _$ V) N5 _: J" O
So if want to compare these two numbers, it should compare there magnitude.
2 G8 z2 s9 l% R# a# B" {. Q% T公仔箱論壇1. x -> 0+0i
; B+ \! j4 {% s* ^5 uos.tvboxnow.com2. y -> 0+1i a$ Y" B2 |: q3 z4 i
2 ]- `7 E, h% G+ y! @; A: o
Magnitude of x is |√(0^2 +0^2)| = 0
+ V Z! @* [ f# ^- H5 Y& eMagnitude of y is |√(0^2+1^2)| = 1
3 Z5 b: H1 D4 oos.tvboxnow.com
% m3 z; @5 X t+ [% {1 Hos.tvboxnow.comSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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