As x is a pure real number, but y only with imaginary part.
& g8 d$ A2 \; T( u, K# B5.39.217.77So if want to compare these two numbers, it should compare there magnitude.
. c/ t- B0 \* `. {2 I5.39.217.771. x -> 0+0i公仔箱論壇. b5 R/ x: |$ `* k
2. y -> 0+1i
, a% v* t' F7 t8 K7 H2 ~+ Ktvb now,tvbnow,bttvb
% u4 M% y' K+ E5 }公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb' C& ~$ }* Y% _7 S
Magnitude of y is |√(0^2+1^2)| = 1
2 V% S/ G# o7 q6 ]( B) |tvb now,tvbnow,bttvb6 B7 {0 d7 N1 }
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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