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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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