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scipy tutorial - Baustatik-Info-Server

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eval_hermite()<br />

Evaluate Hermite polynomial at a point.<br />

eval_hermitenorm()<br />

Evaluate normalized Hermite polynomial at a point.<br />

eval_gegenbauer()<br />

Evaluate Gegenbauer polynomial at a point.<br />

eval_sh_legendre()<br />

Evaluate shifted Legendre polynomial at a point.<br />

eval_sh_chebyt()<br />

Evaluate shifted Chebyshev T polynomial at a point.<br />

eval_sh_chebyu()<br />

Evaluate shifted Chebyshev U polynomial at a point.<br />

eval_sh_jacobi()<br />

Evaluate shifted Jacobi polynomial at a point.<br />

SciPy Reference Guide, Release 0.8.dev<br />

The functions below, in turn, return orthopoly1d objects, which functions similarly as numpy.poly1d. The orthopoly1d<br />

class also has an attribute weights which returns the roots, weights, and total weights for the appropriate form of<br />

Gaussian quadrature. These are returned in an n x 3 array with roots in the first column, weights in the second<br />

column, and total weights in the final column.<br />

legendre(n[, monic]) Returns the nth order Legendre polynomial, P_n(x), orthogonal over<br />

chebyt(n[, monic]) Return nth order Chebyshev polynomial of first kind, Tn(x). Orthogonal<br />

chebyu(n[, monic]) Return nth order Chebyshev polynomial of second kind, Un(x). Orthogonal<br />

chebyc(n[, monic]) Return nth order Chebyshev polynomial of first kind, Cn(x). Orthogonal<br />

chebys(n[, monic]) Return nth order Chebyshev polynomial of second kind, Sn(x). Orthogonal<br />

jacobi(n, alpha, beta[, monic]) Returns the nth order Jacobi polynomial, P^(alpha,beta)_n(x)<br />

laguerre(n[, monic]) Return the nth order Laguerre polynoimal, L_n(x), orthogonal over<br />

genlaguerre(n, alpha[, monic]) Returns the nth order generalized (associated) Laguerre polynomial,<br />

hermite(n[, monic]) Return the nth order Hermite polynomial, H_n(x), orthogonal over<br />

hermitenorm(n[, monic]) Return the nth order normalized Hermite polynomial, He_n(x), orthogonal<br />

gegenbauer(n, alpha[, monic]) Return the nth order Gegenbauer (ultraspherical) polynomial,<br />

sh_legendre(n[, monic]) Returns the nth order shifted Legendre polynomial, P^*_n(x), orthogonal<br />

sh_chebyt(n[, monic]) Return nth order shifted Chebyshev polynomial of first kind, Tn(x).<br />

sh_chebyu(n[, monic]) Return nth order shifted Chebyshev polynomial of second kind, Un(x).<br />

sh_jacobi(n, p, q[, monic]) Returns the nth order Jacobi polynomial, G_n(p,q,x)<br />

legendre(n, monic=0)<br />

Returns the nth order Legendre polynomial, P_n(x), orthogonal over [-1,1] with weight function 1.<br />

chebyt(n, monic=0)<br />

Return nth order Chebyshev polynomial of first kind, Tn(x). Orthogonal over [-1,1] with weight function<br />

(1-x**2)**(-1/2).<br />

chebyu(n, monic=0)<br />

Return nth order Chebyshev polynomial of second kind, Un(x). Orthogonal over [-1,1] with weight function<br />

(1-x**2)**(1/2).<br />

chebyc(n, monic=0)<br />

Return nth order Chebyshev polynomial of first kind, Cn(x). Orthogonal over [-2,2] with weight function<br />

(1-(x/2)**2)**(-1/2).<br />

chebys(n, monic=0)<br />

Return nth order Chebyshev polynomial of second kind, Sn(x). Orthogonal over [-2,2] with weight function<br />

(1-(x/)**2)**(1/2).<br />

3.17. Special functions (<strong>scipy</strong>.special) 437

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