A repository of matrix test data for use in comparative studies of algorithms. The matrices have been taken from problems in linear systems, least squares, and eigenvalue calculations in a wide variety of scientific and engineering disciplines. Includes search for matrices by size, mathematical properties, and keywords.

ATLAS of Finite Group Representations Version 1 This ATLAS of Group Representations has been prepared by Robert Wilson, Peter Walsh, Jonathan Tripp, Ibrahim Suleiman, Stephen Rogers, Richard Parker, Simon Norton, Steve Linton and John Bray (in reverse alphabetical order, because I'm fed up with always being last!). Version 1 This website has been under continuous development for several years ...

Linear Algebra ...

Symmetric Presentations Well, my research is in group theory which is a part of algebra. In particular, I study symmetric presentations. If you don't know what a group is then click here for a definition. If the reader seeks a representation of a group, then he should refer to the ATLAS of group representations which is maintained by R.A.Wilson and R.A.Parker. We shall give some presentations of ...

An online textbook on abstract algebra with emphasis on linear algebra.

Slitex Foilset CPS615 Gauss Seidel Finite Element Methods and Conjugate Gradient This discusses sequential and parallel Gauss Seidel and Jacobi Iteration aThis is followed by an elementary discussion of Finite Element Methods applied to Laplace's equation in two dimensions. This motivates the following detailed account of Conjugate Gradient method including parallelism and analogies with ...

Explicit n-dimensional homogeneous matrices for projection, dilation, reflection, shear, strain, rotation and other familiar transformations.