As x is a pure real number, but y only with imaginary part.5.39.217.763 B$ E% G5 I$ b, n7 H
So if want to compare these two numbers, it should compare there magnitude.
. [" {" ]% }0 @! a; T3 [4 K5.39.217.761. x -> 0+0i q: y4 h6 i3 p* l" j7 G' o
2. y -> 0+1i
: q( T6 q V) M) c# F5 JTVBNOW 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 C) |6 B6 J7 k/ c# m0 w
Magnitude of x is |√(0^2 +0^2)| = 0
2 D! x- {. B3 |: h B) q" Gtvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 1
2 A8 a/ T8 P: [. f; }
5 Y. {+ I4 L2 `0 F: @/ [$ ^/ E5 G8 g2 a5.39.217.76So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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