Difference between revisions of "Falling factorial"
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The falling factorial $x^{\underline{k}}$ for nonnegative [[integer]] $k$ is given by | The falling factorial $x^{\underline{k}}$ for nonnegative [[integer]] $k$ is given by | ||
$$x^{\underline{k}}=x(x-1)\ldots (x-k+1).$$ | $$x^{\underline{k}}=x(x-1)\ldots (x-k+1).$$ | ||
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| + | [[Category:SpecialFunction]] | ||
Revision as of 18:31, 24 May 2016
The falling factorial $x^{\underline{k}}$ for nonnegative integer $k$ is given by $$x^{\underline{k}}=x(x-1)\ldots (x-k+1).$$
