As x is a pure real number, but y only with imaginary part.
! n7 U2 o+ I) U a- t. FSo if want to compare these two numbers, it should compare there magnitude.
" Y/ R9 q7 M% Q. s5 |1 s1. x -> 0+0i
- O7 _( L! K4 n. S( Awww3.tvboxnow.com2. y -> 0+1i
; w" ?4 ]( O* Y! B' J# WTVBNOW 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。8 L: | r( [. P. T0 e7 j5 s
Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb+ a( ?& e) U/ m6 w8 }
Magnitude of y is |√(0^2+1^2)| = 1www3.tvboxnow.com* D6 [" [% t8 E% p
公仔箱論壇7 `# h/ X Y/ b4 s: K
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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