As x is a pure real number, but y only with imaginary part.
, K8 w2 a6 X; JSo if want to compare these two numbers, it should compare there magnitude.4 W, L5 @* q5 `
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。& S1 j0 t" D& {4 u
2. y -> 0+1i8 G' ~4 @6 W. E3 G
5 w3 x9 j7 k2 j: Ktvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 08 S8 v0 v# L" ~8 ?& W
Magnitude of y is |√(0^2+1^2)| = 1公仔箱論壇8 {+ q" R% V5 p U7 u7 F* m, S; X: ~
+ H* v2 i, q: d* tSo, the magnitude of y >x |
發表於 2013-1-6 06:17 PM
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