As x is a pure real number, but y only with imaginary part.
5 B( O8 I6 ~( D5.39.217.77:8898So if want to compare these two numbers, it should compare there magnitude.
& @/ }$ G9 _! }8 _ m5 Q' v" t! Etvb now,tvbnow,bttvb1. x -> 0+0itvb now,tvbnow,bttvb7 `9 O! X: W* a. Z! F8 G* d6 b6 g
2. y -> 0+1i
4 N5 U( n: y' B4 Ntvb now,tvbnow,bttvb, v& _$ y4 B; s, i2 q( Q
Magnitude of x is |√(0^2 +0^2)| = 0
# I( G4 t7 A( J8 \+ w3 _+ E5 d! V! [/ dMagnitude of y is |√(0^2+1^2)| = 1
: Q) {* o# ~+ m! P( S Y9 y* }TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。' d. K$ N4 S) H4 ^: n
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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