As x is a pure real number, but y only with imaginary part.0 p* ` p9 Y) ?1 H
So if want to compare these two numbers, it should compare there magnitude./ E2 {( X0 [! W* A- E( _/ E! J
1. x -> 0+0iTVBNOW 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。 R! U4 U" ]" Q8 ?) W O# K2 }* |' {5 @
2. y -> 0+1i
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- d1 ], i# `% w, R! M' n, nwww1.tvboxnow.comMagnitude of x is |√(0^2 +0^2)| = 0
* [9 C, f2 A8 ~; A2 H' l$ qwww1.tvboxnow.comMagnitude of y is |√(0^2+1^2)| = 1www1.tvboxnow.com s$ j9 X4 s$ s8 `
J- {9 O4 B8 ]) k+ c/ D
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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