As x is a pure real number, but y only with imaginary part.
V' j' J9 l: @0 k2 b2 {So if want to compare these two numbers, it should compare there magnitude.
- `' D, X- `, E1 J7 PTVBNOW 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。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。+ E# v2 }9 h$ D' g- n+ I: x& h* T$ }
2. y -> 0+1i
5 }! ~; b: p7 ]* F5 y6 ? d) Z4 C6 J; Z1 G
Magnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇, D# o8 e7 L* o( J7 ]
Magnitude of y is |√(0^2+1^2)| = 1
8 q; ?7 Q$ v+ U- z
5 O) o" ]: M1 u+ J- ASo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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