Lines Matching refs:poly

6 deg = 5; // poly degree
14 // return p that minimizes |exp(x) - poly(x) - x^d*p(x)|
15 approx = proc(poly,d) {
16   return remez(exp(x)-poly(x), deg-d, [a;b], x^d, 1e-10);
20 poly = 1 + x;
22   p = roundcoefficients(approx(poly,i), [|D ...|]);
23   poly = poly + x^i*coeff(p,0);
27 print("rel error:", accurateinfnorm(1-poly(x)/exp(x), [a;b], 30));
28 print("abs error:", accurateinfnorm(exp(x)-poly(x), [a;b], 30));
31 print("rel2 error:", accurateinfnorm(1-poly(x)/exp(x), [2*a;2*b], 30));
32 print("abs2 error:", accurateinfnorm(exp(x)-poly(x), [2*a;2*b], 30));
35 for i from 0 to deg do coeff(poly,i);