As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb! e; k0 Y2 k3 k) E* Q* N
So if want to compare these two numbers, it should compare there magnitude.
8 M- N* u- @3 l2 e. c' N+ w1. x -> 0+0i公仔箱論壇' {: o: u# f% r) [
2. y -> 0+1i
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; t; c3 |) J6 W) y8 F公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 0
) l' M$ H3 x/ a5 l4 N公仔箱論壇Magnitude of y is |√(0^2+1^2)| = 1www3.tvboxnow.com4 l1 I4 U$ o! v+ L# q' c5 Z
公仔箱論壇" {9 r6 h$ k) P# k* _* N
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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