As x is a pure real number, but y only with imaginary part.5 C7 w7 ~9 c" H [5 {- P) K
So if want to compare these two numbers, it should compare there magnitude.
/ Q E5 L; O% r9 F* q3 q. T" l' d5.39.217.771. x -> 0+0i
2 s `2 n) \$ ^7 e8 g# Q公仔箱論壇2. y -> 0+1i公仔箱論壇) U: F7 t8 y5 u% u+ B+ i! n' e
) H. U3 O) I2 P' vTVBNOW 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 x is |√(0^2 +0^2)| = 05.39.217.77# }9 q) R, k5 z
Magnitude of y is |√(0^2+1^2)| = 14 U W& w3 @. ~$ i
* c; P% @0 T% q: ? Z' t- q5.39.217.77So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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