Od: "Dr. Kashyap Rajeevsarathy"
Do: fo...@gap-system.org;
Wysłane: 4:28 Środa 2015-04-01
Temat: [GAP Forum] Understanding factorisation of polynomials using ALNUTH
(...)
> Maybe it is too much to ask, but in general, can GAP display these real
> roots as a list of radicals (fo
On Wed, Apr 01, 2015 at 07:44:55AM +0530, Dr. Kashyap Rajeevsarathy wrote:
> Dear Forum,
> *gap> pol :=
> UnivariatePolynomial(Rationals,[6,0,-5,0,1]);x_1^4-5*x_1^2+6gap> L :=
> SplittingField(pol); 4>gap> FactorsPolynomialAlgExt(L,pol); [ x_1+(-1/20*a^3+9/10*a),
> x_1+(-1/40*a^3+19/20*a), x_1+(1/4
Dear Forum,
I am trying to understand the factorisation of polynomials in ALNUTH.
Consider the following example:
*gap> pol :=
UnivariatePolynomial(Rationals,[6,0,-5,0,1]);x_1^4-5*x_1^2+6gap> L :=
SplittingField(pol);gap> FactorsPolynomialAlgExt(L,pol); [ x_1+(-1/20*a^3+9/10*a),
x_1+(-1/40*a
