Appell sequence

English

Etymology

Named after Paul Émile Appell.

Noun

Appell sequence (plural Appell sequences)

1. (mathematics) Any polynomial sequence $\{p_n(x){\}}_{n=0,1,2,\dots }$ satisfying the identity $\frac{d}{dx}{p}_n(x)=n{p}_{n-1}(x),$ and in which $p_0(x)$ is a non-zero constant.