As x is a pure real number, but y only with imaginary part.公仔箱論壇5 F; ]3 D; n5 H6 D0 J
So if want to compare these two numbers, it should compare there magnitude./ H1 K5 E# M$ e3 A* W; Z
1. x -> 0+0i
4 t7 i( B& G5 M1 x2 s8 } w2. y -> 0+1i
& X( G) J& q, q! b4 G; ]tvb now,tvbnow,bttvb
5 f8 d% k1 \9 ?! g8 v7 ]Magnitude of x is |√(0^2 +0^2)| = 05.39.217.77:88987 w2 {+ E; R& T. A
Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb9 X0 l- b% p& x( M" g2 n) ~
A7 f! k; C/ d& _6 }9 M* U
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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