As x is a pure real number, but y only with imaginary part.
. G; A" O G0 q, ?! W0 b) k5 n5 b, B5.39.217.76So if want to compare these two numbers, it should compare there magnitude.5 f, i$ r$ Y. Q* S, W4 K2 X. S
1. x -> 0+0i
$ D8 z4 Q8 P" T# B |/ ^$ |' y8 R公仔箱論壇2. y -> 0+1i% ?$ [: u8 }3 w* ?; `1 X/ R
0 m K" _$ i- ]+ [6 I/ k m4 {6 b
Magnitude of x is |√(0^2 +0^2)| = 0; N3 Q+ N* V* ]. f
Magnitude of y is |√(0^2+1^2)| = 1
+ y$ S3 [" K8 q公仔箱論壇
1 y9 d1 b$ ~6 t$ N- RSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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