Triangular array: Difference between revisions

Revision as of 10:33, 26 January 2011

Revision as of 07:56, 14 March 2011

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{{distinguish|Triangular matrix}}

{{dablink|A related concept is that of a [[triangular matrix]].}}

[[Image:BellNumberAnimated.gif|right|thumb|The triangular array whose right-hand diagonal sequence consists of [[Bell numbers]]]]

In mathematics and computing, a '''triangular array''' of numbers, polynomials, or the like, is a doubly indexed sequence in which each row is only as long as the row's own index.