Christoffel-Darboux formula
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English[edit]
Etymology[edit]
Named after Elwin Bruno Christoffel and Jean Gaston Darboux.
Proper noun[edit]
the Christoffel-Darboux formula
- (mathematics) An identity for a sequence of orthogonal polynomials: where fj(x) is the jth term of a set of orthogonal polynomials of squared norm hj and leading coefficient kj.