As x is a pure real number, but y only with imaginary part.
0 t5 m" i0 O( k5 m5 r% NSo if want to compare these two numbers, it should compare there magnitude.5.39.217.77- B& Z1 }; C4 l" ^1 B2 I, t h
1. x -> 0+0i
1 C- q. i6 S* F- w( ~2. y -> 0+1i公仔箱論壇# E1 s+ f1 a3 l! I) {' H6 k
& F' u3 z4 P' A4 }- [1 HMagnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb: T% Y8 C5 M, {! l) C
Magnitude of y is |√(0^2+1^2)| = 1
6 s" L) I ~7 G* x6 j- }tvb now,tvbnow,bttvb公仔箱論壇7 o# g/ N, v2 p1 F+ M+ z( }2 i
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
