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coeff
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Post subject: which function can generate the coefficients of a polynomial  Posted: Sat Feb 20, 2016 4:44 am |
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which function can generate the coefficients of a polynomial?
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pankajsejwal
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Post subject: Re: which function can generate the coefficients of a polynomial Posted: Sun Apr 17, 2016 9:17 pm |
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Joined: Sat Apr 16, 2016 7:25 pm
Posts: 8
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I am not aware of any existing function but this might help,
proc pcoeffs(poly p)
{
list st;
for(int i=0;i<size(p);i++)
{
st=insert(st,leadcoef(p));
p=p-lead(p);
}
st=insert(st,leadcoef(p[size(p)]));
return(st);
}
Usage:
ring r = 0,x,dp;
> pcoeffs(3x3-2x+4);
[1]:
4
[2]:
-2
[3]:
3
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gorzel
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Post subject: Re: which function can generate the coefficients of a polynomial Posted: Fri Apr 29, 2016 2:50 pm |
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Joined: Wed Mar 03, 2010 5:08 pm
Posts: 108
Location: Germany, Münster
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