As x is a pure real number, but y only with imaginary part.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。# C3 U8 m8 j ]) p* i
So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇- T. H' }# Z1 C$ V- n/ r' w
1. x -> 0+0i
! O9 K% u t3 n4 s* |; T6 Q. oos.tvboxnow.com2. y -> 0+1itvb now,tvbnow,bttvb6 f& X! }2 t9 s; x4 a. I" O- v
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Magnitude of x is |√(0^2 +0^2)| = 0TVBNOW 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。3 V V2 \5 i2 O) n9 y# n
Magnitude of y is |√(0^2+1^2)| = 1os.tvboxnow.com3 r* Q( C! o% |
2 i( n; x! T' S4 U* J8 x
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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