As x is a pure real number, but y only with imaginary part.
( g/ O4 |- `) N1 m5.39.217.77:8898So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇6 B! ]! Q' }2 b$ U, j5 O. R
1. x -> 0+0itvb now,tvbnow,bttvb. i* i. o9 ?; Y* M3 v4 `
2. y -> 0+1i
b- i' H m, B0 ?) L/ k1 t
2 U7 ?8 j0 ^9 H& b公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 0
& o# |1 n1 B2 U+ U6 |Magnitude of y is |√(0^2+1^2)| = 1公仔箱論壇9 i8 J; p* g4 s8 ]7 Q. Q
% i, E j$ v" ]& n; T1 p' m
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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