As x is a pure real number, but y only with imaginary part.
# r1 c9 n% B' `; r. Qtvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude. _. ^$ u+ Z% ~ _& R/ t6 j
1. x -> 0+0iwww1.tvboxnow.com2 ?6 C& }8 i$ G- i K; _
2. y -> 0+1i+ g c, q5 \( o& _4 r3 r& J
公仔箱論壇* ]- ~: q: n& g$ U) E
Magnitude of x is |√(0^2 +0^2)| = 0
8 x5 x# K/ `4 ~. utvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 1公仔箱論壇2 [9 r% K3 G4 _8 {- i* Q
5 U3 e- u4 p/ F; M
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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