As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb0 \2 }1 U% s1 M7 Z
So if want to compare these two numbers, it should compare there magnitude.5.39.217.77:88989 R4 [0 `) O+ @) z/ n9 @
1. x -> 0+0iTVBNOW 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。' X( T& l* ~. g
2. y -> 0+1i5.39.217.77:8898+ O1 @! l% a8 l4 D1 }/ T
: C6 M0 d; ^0 l; qtvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇4 S+ O& R* }, D5 ]; L) m+ l [% c2 w
Magnitude of y is |√(0^2+1^2)| = 1
& o/ }( B6 m& o公仔箱論壇tvb now,tvbnow,bttvb' g: ^7 x& B$ `! k- \* m
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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