As x is a pure real number, but y only with imaginary part.
8 d4 H) u- w0 P& C9 }4 `So if want to compare these two numbers, it should compare there magnitude.1 l' L5 x& h* e8 X8 ~, ^3 d0 P
1. x -> 0+0ios.tvboxnow.com; b: X# H- s/ ~/ i
2. y -> 0+1ios.tvboxnow.com1 {# l5 f: [# E0 y9 ^4 m
. p# O/ _' i3 N, ?, V$ V9 C: b" C9 \Magnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇( s% B. Z) S$ X: `7 L% L
Magnitude of y is |√(0^2+1^2)| = 1
# I1 \! ~( a% L+ `0 E5 [tvb now,tvbnow,bttvb$ ^- w- r& y6 F" j0 Y
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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