In mathematics, the Chihara–Ismail polynomials are a family of
orthogonal polynomials introduced by , generalizing the van Doorn polynomials introduced by and the
Karlin–McGregor polynomials. They have a rather unusual
measure
Measure may refer to:
* Measurement, the assignment of a number to a characteristic of an object or event
Law
* Ballot measure, proposed legislation in the United States
* Church of England Measure, legislation of the Church of England
* Mea ...
, which is
discrete except for a single
limit point at 0 with jump 0, and is non-symmetric, but whose support has an infinite number of both positive and negative points.
References
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Orthogonal polynomials
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