As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb& u1 @" }) @6 R/ L
So if want to compare these two numbers, it should compare there magnitude.2 q' Z6 e1 Q4 Z0 C8 {4 K6 X
1. x -> 0+0itvb now,tvbnow,bttvb4 X- t1 y! i5 d: A
2. y -> 0+1i% P1 F4 n* ~$ K6 N' A& Y
/ P# b! W6 {3 `6 J' ~+ U公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 0/ ^, z2 G1 u) k; n- I& H
Magnitude of y is |√(0^2+1^2)| = 1
$ i: |4 M9 w0 o4 _) U2 c d# W3 Dtvb now,tvbnow,bttvb
! H4 v* P% E# V* L8 W6 L; u5.39.217.76So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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