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2015.118: Matrix Depot: An Extensible Test Matrix Collection for Julia

2015.118: Weijian Zhang and Nicholas J. Higham (2015) Matrix Depot: An Extensible Test Matrix Collection for Julia.

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Abstract

Matrix Depot is a Julia software package that provides easy access to a large and diverse collection of test matrices. Its novelty is threefold. First, it is extensible by the user, and so can be adapted to include the user's own test problems. In doing so it facilitates experimentation and makes it easier to carry out reproducible research. Second, it amalgamates in a single framework three different types of matrix collections, comprising parametrized test matrices, regularization test problems, and real-life sparse matrix data. Third, it fully exploits the Julia language. It uses multiple dispatch to help provide a simple interface and, in particular, to allow matrices to be generated in any of the numeric data types supported by the language.

Item Type:MIMS Preprint
Uncontrolled Keywords:Julia; software package; test matrices; test problems; matrix algorithm.
Subjects:MSC 2000 > 15 Linear and multilinear algebra; matrix theory
MSC 2000 > 65 Numerical analysis
MIMS number:2015.118
Deposited By:Nick Higham
Deposited On:21 December 2015

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