18 Orthogonal Polynomials (source code)

= 18 Orthogonal Polynomials
{c}
{tag=Work by Tom H. Koornwinder}
{tag=Work by Roderick S. C. Wong}
{tag=Work by Roelof Koekoek}
{tag=Work by René F. Swarttouw}
{tag=Work by William P. Reinhardt}

Chapter authors: <Tom H. Koornwinder>, <Roderick S. C. Wong>, <Roelof Koekoek>, <René F. Swarttouw>, <William P. Reinhardt>. These are Chapter 18 credits in the edited <NIST Digital Library of Mathematical Functions>. The National Institute of Standards and Technology issues and hosts the reference. No chapter publication date is established; version 1.2.8, released 15 September 2026, is an online reference release.

Chapter and author credits: https://dlmf.nist.gov/18

Cited section: https://dlmf.nist.gov/18.2[§18.2(i), Orthogonality on Intervals: equation 18.2.1; §18.2(i), equation 18.2.1_5 and surrounding weight/moment hypotheses; Chapter 18 current five-person author byline.]

Cited section: https://dlmf.nist.gov/18.3[Table 18.3.1, Legendre row: (-1,1), unit weight, squared norm 2/(2n+1), leading coefficient; §18.3 paragraph introducing orthogonality and standardization; Chapter 18 author byline.]