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Computation of Pseudospectra

By Lloyd N. Trefethen


There is more to the computation of pseudospectra than the obvious algorithm of computing singular value decompositions on a grid and sending the results to a contour plotter. Other methods may be hundreds of times faster. The state of the art is reviewed, with emphasis on methods for dense matrices, and a MATLAB code is given

Topics: Numerical analysis
Publisher: Acta Numerica
Year: 1999
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