The number of terms in general formula of the disciriminant(degree 17)
G17=a17*x^17 + a16*x^16 + a15*x^15 + a14*x^14 + a13*x^13 + a12*x^12 + a11*x^11 + a10*x^10 + a9*x^9 + a8*x^8 + a7*x^7 + a6*x^6 + a5*x^5 + a4*x^4 + a3*x^3 + a2*x^2 + a1*x + a0
is 21976689397!

LAPROGNC(Linear Algebra PROGrams in Numerical Computation)

LAPROGCA(Linear Algebra PROGrams in Computer Algebra)

SDC sample data

BENCHMARK:1
Computing the resultant of the polynomial obtained by Prof. Tetsuji Shioda(Rikkyo Univ.)
E6=ans

BENCHMARK:2
General formula of the disciriminant
G15=x^15 + x^14 + a13*x^13 + a12*x^12 + a11*x^11 + a10*x^10 + a9*x^9 + a8*x^8 + a7*x^7 + a6*x^6 + a5*x^5 + a4*x^4 + a3*x^3 + a2*x^2 + a1*x + a0
H15=resultant_x(G15,dG15/dx)
H15=ans

Computing the general discriminant formula of degree 17

Accelerating the Numerical Computation of Positive Roots of Polynomials using Improved Bounds

A new implementation of the dqds algorithm