Exact Weighted Polynomial Approximation for Real-Line Kernels

Closed‑form gives the minimum weighted mean‑square error and optimal polynomial for approximating rational kernels K(t)=(A+Bt)/(t²+λ²)^{s+1} with weight w(t)=(t²+λ²)^{-s}. Read more: getnews.me/exact-weighted-polynomia... #weightedapproximation #polynomial