As x is a pure real number, but y only with imaginary part.
4 g1 B1 i' m8 W" q+ f: V5 B公仔箱論壇So if want to compare these two numbers, it should compare there magnitude.
( E' w* O% z- z+ Q& u2 f& l, T公仔箱論壇1. x -> 0+0i$ ~7 o8 R2 _3 z1 N _) \/ j
2. y -> 0+1i
, t, }3 K; j( ytvb now,tvbnow,bttvb公仔箱論壇, B) _9 ]/ |+ J5 _/ m) N$ U
Magnitude of x is |√(0^2 +0^2)| = 0- V# P/ p# j1 X) `+ l [% O
Magnitude of y is |√(0^2+1^2)| = 1! Y5 W9 u% O+ t! O2 ?( l, q% k) U
9 O, H, Y, n4 t5.39.217.77:8898So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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