As x is a pure real number, but y only with imaginary part.5.39.217.77# h* g% y# J& d. g( \/ y" ~; \, I4 o I
So if want to compare these two numbers, it should compare there magnitude.
0 z* q4 t3 x" `5.39.217.771. x -> 0+0i
; x: W# Q- x- E: p2. y -> 0+1i
* J0 a& t$ B" P9 [ s [' J/ ptvb now,tvbnow,bttvb4 U& P8 T- S; N- I
Magnitude of x is |√(0^2 +0^2)| = 0
) D' J* R) W& ?5.39.217.77Magnitude of y is |√(0^2+1^2)| = 1
; v3 o j" t1 z0 Y$ `# C' k; i公仔箱論壇
$ h8 D* T7 \* O3 Qtvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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