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Efficient computation of shifted linear systems of equations with application to PDEs

Eneyew, Eyaya Birara (Stellenbosch : Stellenbosch University, 2011-12)

ENGLISH ABSTRACT: In several numerical approaches to PDEs shifted linear systems of the form (zI - A)x = b, need to be solved for several values of the complex scalar z. Often, these linear systems are large and sparse. ...