As x is a pure real number, but y only with imaginary part.4 D2 w5 A. P8 Q" K/ k) ]: h
So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇2 A5 p# Z1 N( |
1. x -> 0+0i公仔箱論壇0 T8 M" a9 E( |. c; I, \9 l
2. y -> 0+1i# n" U- r; z) F. ?' e- V$ e
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。; c" }. q5 |2 F5 _9 m
Magnitude of x is |√(0^2 +0^2)| = 0! c6 c- q# I- b) `$ `, f2 _
Magnitude of y is |√(0^2+1^2)| = 1TVBNOW 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。( A! e' o# n \. ^2 B
tvb now,tvbnow,bttvb9 T, Q- Q4 w6 t
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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