As x is a pure real number, but y only with imaginary part.
0 Z, |- a1 [0 w! P1 _8 r" }$ Z) Cwww2.tvboxnow.comSo if want to compare these two numbers, it should compare there magnitude.! ]8 Q! |/ e) A! D" R
1. x -> 0+0i
7 N* y! ^/ b" S+ Q; M公仔箱論壇2. y -> 0+1i
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Magnitude of x is |√(0^2 +0^2)| = 0
$ _! M- S( r3 P) f3 pMagnitude of y is |√(0^2+1^2)| = 1
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6 p! n. `6 g, l+ wSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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