As x is a pure real number, but y only with imaginary part.( y, T# e) V$ |! W( D1 ~; U( m
So if want to compare these two numbers, it should compare there magnitude.
# E6 K+ s! y$ M$ u/ `/ m& D1. x -> 0+0i公仔箱論壇9 v, e2 F( @* s# ]" H+ @6 S& T: Z- J
2. y -> 0+1i公仔箱論壇. P9 S. Q& L3 i6 g
公仔箱論壇& V; P8 r, I, m( ^ | C
Magnitude of x is |√(0^2 +0^2)| = 0% }2 q. A7 Q) g+ y2 C
Magnitude of y is |√(0^2+1^2)| = 1
( R1 S/ D/ z; n/ J4 u2 w* l
( `+ S8 C1 Y0 F( z" W5 B5 OTVBNOW 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。So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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