As x is a pure real number, but y only with imaginary part.
, m/ v" H) X: V# S: a0 _/ A) J公仔箱論壇So if want to compare these two numbers, it should compare there magnitude.# M/ d7 ^. B. c! {
1. x -> 0+0i- q2 ^ g" t$ g9 ]7 G5 R' j. }
2. y -> 0+1i" M' T) L' J2 m" O
, F" O* @& B" w! _1 ?tvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
9 B& I- [5 l1 g( U/ Z公仔箱論壇Magnitude of y is |√(0^2+1^2)| = 1
; u- n" V. K7 T& Etvb now,tvbnow,bttvb公仔箱論壇* ^- X3 Q+ A% Q1 {; g. g T) V; y) c
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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