![{\displaystyle {\displaystyle
\frac{\delta \ctsHahn{n}@{x}{a}{b}{c}{d}}{\delta x}=(n+a+b+c+d-1)
\ctsHahn{n-1}@{x}{a+\textstyle\frac{1}{2}}{b+\textstyle\frac{1}{2}}{
c+\textstyle\frac{1}{2}}{d+\textstyle\frac{1}{2}}
}}](/index.php?title=Special:MathShowImage&hash=dcacfbf89113cbe965b3cb05f33785f5&mode=latexml)
Proof
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Symbols List
: continuous Hahn polynomial : http://dlmf.nist.gov/18.19#P2.p1
Bibliography
Equation in Section 9.4 of KLS.
URL links
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