Not so much time needed to google "sagemath Horner" in order to get an answer...
# http://doc.sagemath.org/html/en/reference/calculus/sage/calculus/wester.html R = PolynomialRing(QQ,5,names='a') S.<x> = PolynomialRing(R) p = S(list(R.gens()))*x print "p = ",p.substitute(a0=17,a1=3,a2=4,a3=6,a4=8) restore('x') #p(x) f(x) = p.substitute(a0=17,a1=3,a2=4,a3=6,a4=8); print "f : ",f working just now in the sagemath cloud : p = 8*x^5 + 6*x^4 + 4*x^3 + 3*x^2 + 17*xf : x |--> ((2*((4*x + 3)*x + 2)*x + 3)*x + 17)*x Dominique. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
