As x is a pure real number, but y only with imaginary part.5.39.217.77: G1 I7 q# J% p' m' i# x
So if want to compare these two numbers, it should compare there magnitude.
8 ^' R9 [( B: l1 v# b s( A6 M5 N" r z1. x -> 0+0i
. m8 [$ \. _% N" k$ e2. y -> 0+1i公仔箱論壇( o! K; o2 y5 Z
/ w1 U' |, F" }) ]: F; \Magnitude of x is |√(0^2 +0^2)| = 0
$ @# S& t: p" P: K8 i; r2 Y6 l2 |Magnitude of y is |√(0^2+1^2)| = 1: \9 m* M2 |0 l% u
" s* _. E# L- W% c$ [; n' c( {; q
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
