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Question: unwilling imaginary part

Question:unwilling imaginary part

elpam2 10 Maple
imaginary real
May 18 2011
0

Hi,

 

I'm trying to model a magnetic field with maple.

In order to do that, I compute a (huge) sum and integrals of real and posive numbers.

The problem is that for some points, when I compute the norm of this field I get an imaginary number with a very small imaginary part (egs -2, 27293.1844462+1.42305652280*10^(-84)*I ).

 

How can I get rid of it?

thx in advance 
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