As x is a pure real number, but y only with imaginary part.
7 c7 K" I9 [7 v/ Z: \So if want to compare these two numbers, it should compare there magnitude.
" b$ K/ D; [3 f4 ]& ~6 M7 {" j1. x -> 0+0i公仔箱論壇% l, A0 ] y |+ ]6 e' ~: X0 q
2. y -> 0+1itvb now,tvbnow,bttvb8 D. p; v% |; N3 @1 \' {5 i
X7 [7 I0 T) s; H. LMagnitude of x is |√(0^2 +0^2)| = 0
$ z! [, E: c n' G8 d' O公仔箱論壇Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb' b) \4 S5 Y( D$ `5 h
* m" E. k) g2 t( p6 W* `0 ySo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
