As x is a pure real number, but y only with imaginary part.
6 h. O( S; O8 n' y% L公仔箱論壇So if want to compare these two numbers, it should compare there magnitude.9 `3 L: i Y6 o" [2 f
1. x -> 0+0i5.39.217.773 W7 m- [ c9 }
2. y -> 0+1itvb now,tvbnow,bttvb" y- k6 ?" K" ?* K) o
公仔箱論壇& @. |' `% L j# v' I7 p
Magnitude of x is |√(0^2 +0^2)| = 03 [0 J7 T8 K: G- @0 `* ]
Magnitude of y is |√(0^2+1^2)| = 1
! Q/ U7 G. j6 H1 M: }' G! Z" Jtvb now,tvbnow,bttvb1 B7 `; z0 [7 r! b9 P ^
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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