As x is a pure real number, but y only with imaginary part.* C+ j) G, ]3 [: d# f& g. U
So if want to compare these two numbers, it should compare there magnitude.
) L; K$ H' T3 P4 ltvb now,tvbnow,bttvb1. x -> 0+0iwww3.tvboxnow.com5 Y% W- ?# G- t" m
2. y -> 0+1itvb now,tvbnow,bttvb5 d0 t! W! i# E2 b
公仔箱論壇2 s+ A: T. o: ~, }3 K
Magnitude of x is |√(0^2 +0^2)| = 0
( k( [2 H/ W0 M2 htvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 1www3.tvboxnow.com$ p# ^/ z! Y1 D1 a
- k3 p9 Y `! _6 ~1 u# R. |0 T- Q" Z7 r
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
