As x is a pure real number, but y only with imaginary part.
1 S; ~+ E$ m, \- G0 p1 e0 f5.39.217.77:8898So if want to compare these two numbers, it should compare there magnitude.
. I* l0 h9 u7 W9 o% {公仔箱論壇1. x -> 0+0i公仔箱論壇" n9 e% P' {" B. n
2. y -> 0+1i- {7 k2 S8 G4 u! W+ V- J9 `$ T
. T0 Y7 K* o- qtvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb4 x/ Y( I! u2 x8 E) j0 `
Magnitude of y is |√(0^2+1^2)| = 1
6 R" n+ S7 M8 _# sTVBNOW 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。6 v7 g* a4 X2 v
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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