D.G. Unger
University of Canterbury
2 Papers
18 Citations
D.G. Unger is an academic researcher from University of Canterbury. The author has contributed to research in topics: Richardson extrapolation & Nonlinear system. The author has an hindex of 2, co-authored 2 publications.
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Papers
A finite-difference Newton-Raphson solution of the two-center electronic Schrödinger equation
TL;DR: In this article, an alternative approach to the solution of the two-center electronic Schrodinger equation involving a finite-difference Newton-Raphson algorithm is described, where the usual separation in confocal elliptical coordinates is employed leading to two coupled one-dimensional differential equations with split boundary conditions.
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A finite difference Newton-Raphson solution of the atomic Hartree-Fock problem
TL;DR: In this article, a generalized Newton-Raphson iteration is used to solve the atomic HF problem with split boundary conditions, where the two-point boundary conditions at r = 0 and r = ∞ as well as the Lagrange multipliers are incorporated into a large system of nonlinear algebraic equations.
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