James M. Ortega

According to our database, James M. Ortega authored at least 17 papers between 1960 and 1997.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of four.

1997

Orderings for Parallel Conjugate Gradient Preconditioners.

S. A. Stotland, James M. Ortega

SIAM J. Sci. Comput., 1997

1996

Segmentation of volumetric medical imagery using multiple geodesic-based active surfaces.

David J. Schlesinger, John W. Snell, Lois E. Mansfield, James R. Brookeman, James M. Ortega, Neal F. Kassell

Proceedings of the Medical Imaging 1996: Image Processing, 1996

1995

Model-based boundary estimation of complex objects using hierarchical active surface templates.

John W. Snell, Michael B. Merickel, James M. Ortega, John C. Goble, James R. Brookeman, Neal F. Kassell

Pattern Recognit., 1995

1993

Fast Solution of Nonlinear Poisson-Type Equations.

Brett M. Averick, James M. Ortega

SIAM J. Sci. Comput., 1993

1991

Orderings for Conjugate Gradient Preconditionings.

James M. Ortega

SIAM J. Optim., 1991

1990

Efficient Polynomial Preconditioning for the Conjugate Gradient Method.

Stanley C. Eisenstat, James M. Ortega, Courtenay T. Vaughan

SIAM J. Sci. Comput., 1990

1989

Multicoloring with lots of colors.

D. L. Harrar, James M. Ortega

Proceedings of the 3rd international conference on Supercomputing, 1989

1988

Parallel solution of triangular systems of equations.

Charles H. Romine, James M. Ortega

Parallel Comput., 1988

The <i>ijk</i> forms of factorization methods II. Vector computers.

James M. Ortega

Parallel Comput., 1988

The <i>ijk</i> forms of factorization methods I. Vector computers.

James M. Ortega

Parallel Comput., 1988

1982

A multi-color SOR method for parallel computation.

Loyce M. Adams, James M. Ortega

Proceedings of the International Conference on Parallel Processing, 1982

1974

Numerical analysis position.

James M. Ortega

ACM SIGCSE Bull., 1974

The heart of computer science.

Norman E. Gibbs, Donald W. Loveland, James M. Ortega

ACM SIGCSE Bull., 1974

1970

Iterative solution of nonlinear equations in several variables.

James M. Ortega, Werner C. Rheinboldt

Computer science and applied mathematics, Academic Press, ISBN: 978-0-12-528550-6, 1970

1964

Generation of test matrices by similarity transformations.

James M. Ortega

Commun. ACM, 1964

1963

The LLT and QR methods for symmetric tridiagonal matrices.

James M. Ortega, Henry F. Kaiser

Comput. J., 1963

1960

On Sturm Sequences for Tridiagonal Matrices.

James M. Ortega

J. ACM, 1960