As x is a pure real number, but y only with imaginary part.
9 k4 N' L4 L% D% e7 e$ d$ VSo if want to compare these two numbers, it should compare there magnitude.
: Q& s1 j+ ~# ^$ w' e1. x -> 0+0i; z* X7 z* h" O, p
2. y -> 0+1i
1 c2 \- V0 p! K2 A2 p O# ftvb now,tvbnow,bttvb公仔箱論壇0 d* G7 E4 p8 C+ t& A
Magnitude of x is |√(0^2 +0^2)| = 0& i4 C) _, D/ B% C. n, f* M. X
Magnitude of y is |√(0^2+1^2)| = 1
: Z& s# P2 q, ]- X) m Ytvb now,tvbnow,bttvb
! u0 v Q! P% _' m% Wwww1.tvboxnow.comSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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