As x is a pure real number, but y only with imaginary part.公仔箱論壇0 J2 j# ~4 z6 m9 v
So if want to compare these two numbers, it should compare there magnitude.
6 S. J9 D9 t- ]5 g, K公仔箱論壇1. x -> 0+0i
, C- e$ G$ r- t2 s' \ k5.39.217.762. y -> 0+1i5.39.217.76$ O5 P4 h3 r% @3 B
公仔箱論壇3 J! }& u( g. f
Magnitude of x is |√(0^2 +0^2)| = 0
. q K; R8 E8 s9 UMagnitude of y is |√(0^2+1^2)| = 1
, F) C8 ~* P; ^5 x5 B y# ctvb now,tvbnow,bttvb
' K# j3 z: p2 P2 Y; i! Y* u2 oSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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