As x is a pure real number, but y only with imaginary part.
& X; P3 S0 H, n$ V8 A6 a. Qtvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.
6 ~# i) D' H( X% i/ B. T- j1. x -> 0+0i
6 o7 [7 m6 P: T ], |2. y -> 0+1i# z [3 o* E% k: S) j7 w
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Magnitude of x is |√(0^2 +0^2)| = 0
+ U5 u" k; s1 N5 |Magnitude of y is |√(0^2+1^2)| = 1
! I0 `! b2 O- t( V5 d _公仔箱論壇
8 d# i3 e) N& D, tos.tvboxnow.comSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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