Christoffel-Darboux formula

短语

词形变化

the Christoffel-Darboux formula

释义与例句

name
  1. 1.

    An identity for a sequence of orthogonal polynomials: ∑ⱼ₌₀ⁿ(f_j(x)f_j(y))/(h_j)=(k_n)/(h_nk_n+1)(f_n(y)f_n+1(x)-f_n+1(y)f_n(x))/(x-y) where fⱼ(x) is the jth term of a set of orthogonal polynomials of squared norm hⱼ and leading coefficient kⱼ.

    数学

词源

Named after Elwin Bruno Christoffel and Jean Gaston Darboux.

来源：wiktionary