As x is a pure real number, but y only with imaginary part.
8 u$ d5 B6 R0 o- U; G公仔箱論壇So if want to compare these two numbers, it should compare there magnitude.
# F( C- N& Z' t! ?1. x -> 0+0i
' T2 q+ q9 R9 u) Q* z1 A2. y -> 0+1i
! U3 L8 J8 @' Y7 U7 h公仔箱論壇
, C0 K' P* |* U8 P- q: ^' nwww2.tvboxnow.comMagnitude of x is |√(0^2 +0^2)| = 05 L* g% s* J* J1 e
Magnitude of y is |√(0^2+1^2)| = 1
) a( \7 ~' k( @; Mtvb now,tvbnow,bttvb
' H# h1 b/ O3 c1 h, k2 iSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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