As x is a pure real number, but y only with imaginary part.
3 y) Y' }4 M% y) s8 `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。So if want to compare these two numbers, it should compare there magnitude.
b( |8 E: |. O' D) X. E+ ?公仔箱論壇1. x -> 0+0itvb now,tvbnow,bttvb5 g$ H4 z$ t: j% J0 o
2. y -> 0+1i公仔箱論壇# K2 p! B/ b `; u7 o! r& b3 X* Y3 A
, i n! F7 } n+ u3 S2 z4 j: ?2 G9 p
Magnitude of x is |√(0^2 +0^2)| = 0
8 h3 P+ B$ j7 CTVBNOW 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。Magnitude of y is |√(0^2+1^2)| = 1公仔箱論壇- m2 L7 F- K7 N
3 o# s2 a" N- @: w8 i/ V r: `2 ^4 Y8 mtvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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