Aspects of ill - conditioning in the Kohn variational method

Abstract

We have carried out an analysis of ill-conditioning close to Schwartz singularities in Kohn variational calculations for (e + − H 2) scattering. Using a formal measure of distance to singularity, we discuss weaknesses in using the determinant of the Kohn matrix as a way of identifying regions likely to correspond to anomalous results. A simple method for… (More)

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Cite this paper

@inproceedings{CooperAspectsOI, title={Aspects of ill - conditioning in the Kohn variational method}, author={Joshua N. Cooper} }