As x is a pure real number, but y only with imaginary part.
' F2 ~; s& ^* _4 c, [* mSo if want to compare these two numbers, it should compare there magnitude.
7 P- T7 m' M, Y8 ~2 d1. x -> 0+0i公仔箱論壇8 O9 J9 U3 L0 T3 M, o. ?% I
2. y -> 0+1i
! E( ~: o2 `( X( h3 D ]tvboxnow.com8 L4 M0 U8 Z) l% K8 L' V: F
Magnitude of x is |√(0^2 +0^2)| = 0TVBNOW 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。- k. ]# ~4 H8 o g
Magnitude of y is |√(0^2+1^2)| = 1公仔箱論壇6 n9 |" u8 k4 k( K4 y" T7 k% ?
# H: ]- l( D7 h9 C: @+ Itvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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