As x is a pure real number, but y only with imaginary part.
# h" }# N! U: nSo if want to compare these two numbers, it should compare there magnitude.
7 s8 E3 ]3 d7 d' U2 A. t4 L) M& _7 S0 Z1. x -> 0+0itvb now,tvbnow,bttvb: y2 m# [) j8 r' g& B
2. y -> 0+1i8 u8 p! w: B" [, |% |
! W% n4 L( O% g' V1 X, O* B5.39.217.76Magnitude of x is |√(0^2 +0^2)| = 0
( _" M1 s, U/ n% [9 D8 }* yMagnitude of y is |√(0^2+1^2)| = 1
u. j9 x3 u1 k# Ptvb now,tvbnow,bttvb5 c, {5 X, ]8 w( U
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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