As x is a pure real number, but y only with imaginary part.4 F' Q/ N' k" |3 o
So if want to compare these two numbers, it should compare there magnitude.www3.tvboxnow.com& I, x+ J% f5 o9 s7 I
1. x -> 0+0i
3 z) S q' L, W* `5 }, _公仔箱論壇2. y -> 0+1i
( f9 F. b/ a. \, @www3.tvboxnow.comTVBNOW 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。4 {; Q# {. ]7 c$ u2 Z: s4 B
Magnitude of x is |√(0^2 +0^2)| = 0
; `9 J$ V/ f/ u6 U p. \% p1 W: o( oMagnitude of y is |√(0^2+1^2)| = 1
8 R/ V, n h9 _9 l9 ltvb now,tvbnow,bttvb
9 G+ ?. `; r8 Y5 b* Kwww3.tvboxnow.comSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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