As x is a pure real number, but y only with imaginary part." l* T. n T9 m4 _
So if want to compare these two numbers, it should compare there magnitude.& @: h" A0 M3 P2 L# j0 d2 T; N
1. x -> 0+0i
% I( S+ c( D3 j5 k# B! z0 o8 ~; t- G公仔箱論壇2. y -> 0+1iTVBNOW 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。3 W+ ?, ]/ c( u, Y+ l5 I
0 ^5 E( x( S8 G9 w3 r2 S公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb9 b& [2 Q4 l: I
Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb! U2 F! w+ _; v% a7 g4 q
+ I4 Q& ^% @/ Q- V
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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