orthogonal polynomials on the triangle

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1: 18.37 Classical OP’s in Two or More Variables

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§18.37(ii) OP’s on the Triangle

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Definition in Terms of Jacobi Polynomials

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18.37.7 $$P_{m,n}^{\alpha ,\beta ,\gamma }(x,y)=P_{m-n}^{(\alpha ,\beta +\gamma +2n+1)}\left(2x-1\right)x^n{P}_n^{(\beta ,\gamma )}\left(2x^{-1}y-1\right),$$ $m\ge n\ge 0$, $\alpha ,\beta ,\gamma >-1$.

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Defines:

$P_{m,n}^{\alpha ,\beta ,\gamma }(x,y)$: triangle polynomial

Symbols:

$P_n^{(\alpha ,\beta )}\left(x\right)$: Jacobi polynomial, $y$: real variable, $m$: nonnegative integer, $n$: nonnegative integer and $x$: real variable

Referenced by:

§18.37(ii)

Permalink:

http://dlmf.nist.gov/18.37.E7

Encodings:

pMML, png, TeX

See also:

Annotations for §18.37(ii), §18.37(ii), §18.37 and Ch.18

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18.37.8 $m\ne j$ and/or $n\ne \mathrm{\ell }$.

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Symbols:

$dx$: differential of $x$ , $P_{m,n}^{\alpha ,\beta ,\gamma }(x,y)$: triangle polynomial, $y$: real variable, $\mathrm{\ell }$: nonnegative integer, $m$: nonnegative integer, $n$: nonnegative integer and $x$: real variable

Permalink:

http://dlmf.nist.gov/18.37.E8

Encodings:

pMML, png, TeX

See also:

Annotations for §18.37(ii), §18.37(ii), §18.37 and Ch.18

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2: 18.1 Notation

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Triangle: $P_{m,n}^{\alpha ,\beta ,\gamma }(x,y)$.

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3: Bibliography G

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Positive sums of the classical orthogonal polynomials. SIAM J. Math. Anal. 8 (3), pp. 423–447.

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External Links:

ISSN 0036-1410, Document, Link, MathReview (W. A. Al-Salam)

Referenced by:

(18.14.25), (18.14.26), (18.14.27).

Encodings:

BibTeX

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Orthogonal Polynomials: Applications and Computation. In Acta Numerica, 1996, A. Iserles (Ed.), Acta Numerica, Vol. 5, pp. 45–119.

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External Links:

MathReview (Sven Ehrich), ZentralBlatt

Referenced by:

§3.5(v).

Encodings:

BibTeX

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Orthogonal Polynomials: Computation and Approximation. Numerical Mathematics and Scientific Computation, Oxford University Press, New York.

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Notes:

OPQ, a package of Matlab routines for generating classical and Sobolev orthogonal polynomials, accompanies this book.

External Links:

OPQ, ISBN 0-19-850672-4, MathReview Entry, ZentralBlatt

Referenced by:

(18.2.27), (18.2.28), (18.2.29), (18.2.30), §18.2(ix), §18.40(ii), §18.40(ii), §18.40(i), 3rd item, §3.5(v), Erratum (V1.0.28) for Table 18.3.1.

Encodings:

BibTeX

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Variable-precision recurrence coefficients for nonstandard orthogonal polynomials. Numer. Algorithms 52 (3), pp. 409–418.

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External Links:

ISSN 1017-1398, Document, Link, MathReview Entry

Referenced by:

§18.39(iii), §18.40(ii).

Encodings:

BibTeX

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Exceptional orthogonal polynomials and the Darboux transformation. J. Phys. A 43 (43), pp. 43016, 16 pp..

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External Links:

ISSN 1751-8113, Document, Link, MathReview (María-José Cantero)

Referenced by:

§18.36(vi).

Encodings:

BibTeX

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4: 34.3 Basic Properties: $\mathit{3}j$ Symbol

… ►Then assuming the triangle conditions are satisfied … ►Again it is assumed that in (34.3.7) the triangle conditions are satisfied. … ►In the following three equations it is assumed that the triangle conditions are satisfied by each $\mathit{3}j$ symbol. … ►

§34.3(iv) Orthogonality

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§34.3(vii) Relations to Legendre Polynomials and Spherical Harmonics

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