As x is a pure real number, but y only with imaginary part.
5 [9 V0 x5 M, z; k5 o7 z/ H+ f' o5 LSo if want to compare these two numbers, it should compare there magnitude.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。1 _' v z6 @- K& J2 }
1. x -> 0+0itvb now,tvbnow,bttvb9 X, C+ Q' r7 K2 y$ G
2. y -> 0+1i
9 M- S' v- U4 Y& G8 y5.39.217.77:8898
4 O. n) G% `% C0 o) R' W' etvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
3 K4 P$ x- F3 e1 f. i' jMagnitude of y is |√(0^2+1^2)| = 1
1 E2 }1 l- n& N公仔箱論壇
A5 h+ L5 X3 M4 ~/ c5 N; s1 w' }tvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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