A Subspace Iteration Algorithm for Fredholm Valued Functions (CROSBI ID 223829)
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Podaci o odgovornosti
Engstrom, Christian ; Grubišić, Luka
engleski
A Subspace Iteration Algorithm for Fredholm Valued Functions
We present an algorithm for approximating an eigensubspace of a spectral component of an analytic Fredholm valued function. Our approach is based on numerical contour integration and the analytic Fredholm theorem. The presented method can be seen as a variant of the FEAST algorithm for infinite dimensional nonlinear eigenvalue problems. Numerical experiments illustrate the performance of the algorithm for polynomial and rational eigenvalue problems.
Fredholm operator functions ; eigenvalue problem ; numerical integration ; subspace iteration
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Podaci o izdanju
2015
2015.
459895-14
objavljeno
1024-123X
1563-5147
10.1155/2015/459895