As x is a pure real number, but y only with imaginary part.
8 p+ \, ?+ Z6 } b: QSo if want to compare these two numbers, it should compare there magnitude.
* {0 f1 P' ]: |$ t5.39.217.77:88981. x -> 0+0itvb now,tvbnow,bttvb' Y/ h. W# S9 o
2. y -> 0+1i公仔箱論壇) M- E+ [9 c, c2 x# m
5.39.217.77:88982 y- x. s- q, l& a* S" p3 g
Magnitude of x is |√(0^2 +0^2)| = 0
& K& J" [0 `! @5 bMagnitude of y is |√(0^2+1^2)| = 1
/ H6 h. B5 h: p! Q8 u* r! X& B; qtvb now,tvbnow,bttvb公仔箱論壇6 i, D. }( z4 L! Z% R" R* h
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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