As x is a pure real number, but y only with imaginary part.
6 ^6 @/ [* C7 p6 I5.39.217.77:8898So if want to compare these two numbers, it should compare there magnitude.
: x% q; e5 i+ d9 X1. x -> 0+0i公仔箱論壇; [- h( R$ i7 g6 ^ `+ I7 Z R
2. y -> 0+1i
: G8 a6 ~; a; T S
+ K0 \- N4 @$ ^( ^! y! U公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb0 C; h' O- a4 R, i9 a! L |5 \
Magnitude of y is |√(0^2+1^2)| = 1
! \% u/ S! }- P+ ~# {0 c
. J, g( w6 Z) p, F% L; g5 S5.39.217.77:8898So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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