As x is a pure real number, but y only with imaginary part.
8 U- \2 [ U% e' YSo if want to compare these two numbers, it should compare there magnitude.
& Z/ L, i* b& _) o" s* c4 w公仔箱論壇1. x -> 0+0i
; d$ n0 F* |1 m6 f/ Ltvb now,tvbnow,bttvb2. y -> 0+1itvb now,tvbnow,bttvb, B8 \7 a3 H; H/ b
( _( j* t/ e" r6 Q, G) PMagnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb& u7 `' M: H6 D
Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb, g0 I* `0 H; q
0 K& w# r b& F8 I% I0 O% H9 N7 {( ]1 g
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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