f_res.sres
ox_sres
が存在しないときは浮動小数版を起動する.
[0] F0 = a1*x + a2*y + a3$ [1] F1 = b1*x + b2*y + b3$ [2] F2 = c1*x^2 + c2*y^2 + c3 + c4*x*y + c5*x + c6*y$ [3] R = f_res.sres( [F0,F1,F2], [x,y] ); (c3*b2^3-c6*b3*b2^2+c2*b3^2*b2)*a1^2+(((-2*c3*b2^2+c6*b3*b2)*b1+c5*b3*b2^2-c4*b 3^2*b2)*a2+((c6*b2^2-2*c2*b3*b2)*b1-c5*b2^3+c4*b3*b2^2)*a3)*a1+(c3*b2*b1^2-c5*b 3*b2*b1+c1*b3^2*b2)*a2^2+(-c6*b2*b1^2+(c5*b2^2+c4*b3*b2)*b1-2*c1*b3*b2^2)*a3*a2 +(c2*b2*b1^2-c4*b2^2*b1+c1*b2^3)*a3^2 [4] fctr( R ); [[1,1],[b2,1],[(c3*b2^2-c6*b3*b2+c2*b3^2)*a1^2+(((-2*c3*b2+c6*b3)*b1+c5*b3*b2-c 4*b3^2)*a2+((c6*b2-2*c2*b3)*b1-c5*b2^2+c4*b3*b2)*a3)*a1+(c3*b1^2-c5*b3*b1+c1*b3 ^2)*a2^2+(-c6*b1^2+(c5*b2+c4*b3)*b1-2*c1*b3*b2)*a3*a2+(c2*b1^2-c4*b2*b1+c1*b2^2 )*a3^2,1]]
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