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This book, the first on these topics, addresses the problem of
finding an ellipsoid to represent a large set of points in
high-dimensional space, which has applications in computational
geometry, data representations, and optimal design in statistics.
The book covers the formulation of this and related problems,
theoretical properties of their optimal solutions, and algorithms
for their solution. Due to the high dimensionality of these
problems, first-order methods that require minimal computational
work at each iteration are attractive. While algorithms of this
kind have been discovered and rediscovered over the past fifty
years, their computational complexities and convergence rates have
only recently been investigated. The optimization problems in the
book have the entries of a symmetric matrix as their variables, so
the author's treatment also gives an introduction to recent work in
matrix optimization.* Provides historical perspective on the
problems studied by optimizers, statisticians, and geometric
functional analysts.* Demonstrates the huge computational savings
possible by exploiting simple updates for the determinant and the
inverse after a rank-one update.* Highlights the difficulties in
algorithms when related problems are studied that do not allow
simple updates at each iteration.* Gives rigorous analyses of the
proposed algorithms, MATLAB codes, and computational results.
This volume is a collection of articles based on the plenary talks
presented at the 2008 meeting in Hong Kong of the Society for the
Foundations of Computational Mathematics. The talks were given by
some of the foremost world authorities in computational
mathematics. The topics covered reflect the breadth of research
within the area as well as the richness and fertility of
interactions between seemingly unrelated branches of pure and
applied mathematics. As a result this volume will be of interest to
researchers in the field of computational mathematics and also to
non-experts who wish to gain some insight into the state of the art
in this active and significant field.
This volume is a collection of articles based on the plenary talks
presented at the 2005 meeting in Santander of the Society for the
Foundations of Computational Mathematics. The talks were given by
some of the foremost world authorities in computational
mathematics. The topics covered reflect the breadth of research
within the area as well as the richness and fertility of
interactions between seemingly unrelated branches of pure and
applied mathematics. As a result this volume will be of interest to
researchers in the field of computational mathematics and also to
non-experts who wish to gain some insight into the state of the art
in this active and significant field.
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