As x is a pure real number, but y only with imaginary part.
4 \; M" O. c' ZSo if want to compare these two numbers, it should compare there magnitude.公仔箱論壇: o {7 f! I; x. y$ f9 K8 }. P, T/ m1 c- {
1. x -> 0+0i3 X. i1 v. c$ \3 r, p
2. y -> 0+1i
1 ^6 q8 ~- z# y) P" ~os.tvboxnow.com
( @2 J* t1 ?) p+ ]$ E8 E; WMagnitude of x is |√(0^2 +0^2)| = 0
& T8 ]# `& O$ E7 ^9 `; PMagnitude of y is |√(0^2+1^2)| = 1
4 j) u! S( {$ H E
2 j9 T w# n H5 Wtvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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