As x is a pure real number, but y only with imaginary part.1 F+ a4 |: G& a- e& E1 D
So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇' C: q' Y, a# m
1. x -> 0+0i
1 E4 H( P6 F# G- D) j( P公仔箱論壇2. y -> 0+1iTVBNOW 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。, O5 W( b6 Q8 c, W5 R
5 ?* U Q8 y. J$ y! vMagnitude of x is |√(0^2 +0^2)| = 0
$ R! h2 g1 r! `% \7 g! zMagnitude of y is |√(0^2+1^2)| = 1
1 q5 O. s6 f0 b
/ ?6 F) k% _7 t- u" }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, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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