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A Collection of Test Matrices in MATLAB

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Abstract

We present a collection of forty-four parametrized test matrices. The matrices are mostly square, dense, nonrandom, and of arbitrary dimension. The collection includes matrices with known inverses or known eigenvalues; ill-conditioned or rank deficient matrices; and symmetric, positive definite, orthogonal, defective, involuntary, and totally positive matrices. For each matrix we give a MATLAB M-file that generates it, and for small dimensions, a printout of the matrix, pictures of it, and a plot of its field of values.

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1989-07

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Cornell University

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computer science; technical report

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http://techreports.library.cornell.edu:8081/Dienst/UI/1.0/Display/cul.cs/TR89-1025

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technical report

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