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32-digit values of the first 100 recurrence coefficients for lower subrange generalized Hermite polynomials

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DataCite Commons2025-12-18 更新2025-04-16 收录
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https://purr.purdue.edu/publications/2259/1
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<p>32-digit values of the first 100 recurrence coefficients for orthogonal polynomials relative to the weight function w(x)=x^(2*mu)*exp(-x^2) on [0,c], c=1, mu=0, are computed by a moment-based method using the routine sr_lower_subrange_ghermite(dig,32,100,1,0), where dig=184 has been determined by the routine dig_lower_subrange_ghermite(100,1,0,176,4,32). The software provided in this dataset allows generating an arbitrary number N of recurrence coefficients for arbitrary c>0, mu>-1/2, as well as for different precisions. The polynomials so obtained are closely related to what in quantum chemistry and quantum physics are known as Rys polynomials orhogonal on [-1,1] with respect to the weight function w(x)=exp(-c*x^2); cf. Table 2.2 in Bernard Shizgal, "Spectral methods in chemistry and physics: applications to kinetic theory and quantum mechanics", Scientific Computation, Springer, Dordrecht, 2015. Indeed, all alpha-coefficients of the (monic) Rys polynomials are those obtained here divided by c; the same holds for the first beta-coefficient, whereas the remaining beta-coefficients are those obtained here divided by c^2.</p>
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Purdue University Research Repository
创建时间:
2016-11-08
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