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Gaussian integration: abscissas and weights

• To: mathgroup at smc.vnet.net
• Subject: [mg29659] Gaussian integration: abscissas and weights
• From: pedro <pedro at cii.fc.ul.pt>
• Date: Mon, 2 Jul 2001 02:20:20 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

greetings!
apologies for the elementary nature of my question, but i'm just
starting with Mathematica.
i've found a file under AddOns\StandardPackages\NumericalMath\   named
GaussianQuadrature.m which does exactly what i need, or rather one of
the things i need: it calculates the weights and abscissas for the
Gauss-Legendre quadrature formula with n points.
what is a simple way to adapt this to Gauss-Laguerre and Gauss-Hermite
quadrature?

many thanx in advance,
pedro silva