As x is a pure real number, but y only with imaginary part.
, N8 s; \& s7 K0 M/ ]- D) Ktvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.
$ Y! M( c9 X9 S9 D3 ~/ n# A1. x -> 0+0i9 x- ~2 ~1 r& @% u7 i
2. y -> 0+1i. S6 o: _& B. L' J, H0 @1 |
公仔箱論壇/ A' ~7 S( w5 B/ j6 ?0 y
Magnitude of x is |√(0^2 +0^2)| = 0
8 z" i/ `. P2 A) dMagnitude of y is |√(0^2+1^2)| = 1
, g6 c1 q' ~+ @5.39.217.77tvb now,tvbnow,bttvb3 @( s6 [4 b- |* Q# d
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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