As x is a pure real number, but y only with imaginary part.
5 T, L$ B, P* z: ?% ]So if want to compare these two numbers, it should compare there magnitude.
( q* Q e8 \2 m- c4 }1. x -> 0+0i
+ S( O f* q3 N8 M* |% ^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。2. y -> 0+1i5.39.217.77& l1 V* t( W: d% X4 W* \
- m3 G+ H" j0 O4 x
Magnitude of x is |√(0^2 +0^2)| = 0# O4 G4 u* I+ K6 [2 i+ }
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。; N+ I8 ~, j& ]( B
tvb now,tvbnow,bttvb9 n" @/ V7 Z$ e, Q7 i2 W6 }2 e! d
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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