As x is a pure real number, but y only with imaginary part.4 N7 t4 _4 S: N% u) `- _' f
So if want to compare these two numbers, it should compare there magnitude.! f9 i( k- j" f( F
1. x -> 0+0i1 \$ v, b' ]7 x! z7 p" o
2. y -> 0+1i* _" T& v# b& i1 B3 W, }
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Magnitude of x is |√(0^2 +0^2)| = 0
: x0 E" p; o8 }5.39.217.77Magnitude of y is |√(0^2+1^2)| = 1
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" F1 G( D! i w9 O" {1 nTVBNOW 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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