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A new regression technique based on Vapnikâ€™s concept of support vectors is introduced. We compare support vector regression (SVR) with a committee regression technique (bagging) based on regressionâ€¦ (More)

Several decompositions of, symmetric matrices for calculating inertia and solving systems of linear equations are discussed. New partial pivoting strategies for decomposing symmetric matrices areâ€¦ (More)

- Linda Kaufman
- IEEE Trans. Med. Imaging
- 1993

The EM algorithm is the basic approach used to maximize the log likelihood objective function for the reconstruction problem in positron emission tomography (PET). The EM algorithm is a scaledâ€¦ (More)

- Linda Kaufman
- IEEE Transactions on Medical Imaging
- 1987

Since the publication of Shepp and Vadi's [ 14] maximum likelihood reconstruction algorithm for emission tomography (ET), many medical research centers engaged in ET have made an effort to changeâ€¦ (More)

- Linda Kaufman
- ACM Trans. Math. Softw.
- 2000

In this paper we explain some of the changes that have been incorporated in the latest version of the LAPACK subroutine for reducing a symmetric banded matrix to tridiagonal form. These modificationsâ€¦ (More)

- Linda Kaufman, Daniel D. Warner
- ACM Trans. Math. Softw.
- 1990

This paper persents a program SERRG2 that solves separable elliptic equations on a rectangle. The program uses a matrix decomposition technique to directly solve the linear system arising from aâ€¦ (More)

- Linda Kaufman
- ACM Trans. Math. Softw.
- 1984

Most algorithms associated with finding eigenvalues of banded matrices do not have many, if any, obvious vector operations. On vector machines it is not immediately obvious, if sufficient memory isâ€¦ (More)

- Linda Kaufman
- SIAM J. Matrix Analysis Applications
- 2006

Maxwellâ€™s equation for modeling the guided waves in a circularly symmetric fiber leads to a family of partial differential equationâ€“eigenvalue systems. Incorporating the boundary condition into aâ€¦ (More)

- Linda Kaufman
- ACM Trans. Math. Softw.
- 2000

In this article we discuss a small modification of the bisection routines in EISPACK and LAPACK for finding a few of the eigenvalues of a symmetric tridiagonal matrix A. When the principal minors ofâ€¦ (More)

- Linda Kaufman
- SIAM Journal on Optimization
- 1999

In this paper we consider several algorithms for reducing the storage when using a quasi-Newton method in a doglegâ€“trust region setting for minimizing functions of many variables. Secant methodsâ€¦ (More)