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[Axiom-developer] Approximating Ei using polynomials

From: daly
Subject: [Axiom-developer] Approximating Ei using polynomials
Date: Thu, 17 Jan 2008 10:17:53 -0600

The A&S handbook lists polynomial coefficients for approximation of E1,
the exponential integral. Does anyone know how these coefficients were
derived? Is it a chebyshev polynomial? I want to dynamically compute
these coefficients to the required precision.


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