As x is a pure real number, but y only with imaginary part.
1 c; B l8 C& ]7 n! z# tSo if want to compare these two numbers, it should compare there magnitude.公仔箱論壇' \5 R6 ?; B u! L2 f
1. x -> 0+0i: Q3 F) k& B! G: k5 J! G
2. y -> 0+1itvb now,tvbnow,bttvb/ X6 {/ e( R+ F1 z: Y: G5 @& O* G
3 c$ Z" i$ [( I4 C9 P8 [2 nMagnitude of x is |√(0^2 +0^2)| = 0
+ T- W0 [4 X0 S/ h# `公仔箱論壇Magnitude of y is |√(0^2+1^2)| = 1公仔箱論壇+ W! v4 s6 m2 X9 ~9 E- i
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So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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