As x is a pure real number, but y only with imaginary part.
- [9 X ~- [+ @: ]. }6 XSo if want to compare these two numbers, it should compare there magnitude.
- |7 Q) L# c) y* _$ F7 ]公仔箱論壇1. x -> 0+0i
4 m! `# J$ @- U8 s5.39.217.772. y -> 0+1i
6 y: W% k/ t. e9 K+ ~! ~6 S, \
8 X/ \3 p9 `/ X a, D. N+ ~& y0 h, Ztvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
/ Y1 K$ k& u1 J, e1 tMagnitude of y is |√(0^2+1^2)| = 1
7 q% v. b4 I4 e7 a Ztvb now,tvbnow,bttvb
+ A* u. Y! k) r5 ]0 x* G5.39.217.77So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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