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| KASH3 Reference Manual
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| ### Function GradientVector ( newtface F ) -> tup() ### Description The x and y coefficient of the face line a*x + b*y = c. ### Examples x_z3 := pAdicRing(3,20);x_z3x := PolynomialAlgebra(x_z3); x_f := 9*x_z3x.1^5+6*x_z3x.1^4+x_z3x.1^2+27*x_z3x.1+3; x_nf := NewtonPolygon(x_f);x_fce := IsFace(x_nf,Tuple([1,2,2])); x_fr:= x_fce.ext1;GradientVector(x_fr);
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