Publications


  •  M. Rojas, Y.B. Abraham, N.A.W. Holzwarth, and R.J. Plemmons.
    Surrogate Modeling for Geometry Optimization,
    Progress in Industrial Mathematics at ECMI 2008,
    Springer Mathematics in Industry series, to appear.
    [ BIBTEX ]

  •  J. Lampe, M. Rojas, D.C. Sorensen, and H. Voss.
    Accelerating the LSTRS Algorithm,
    IMM-Technical Report-2009-09,
    Department of Informatics and Mathematical Modelling,
    Technical University of Denmark, Lyngby, July 2009.
    Submitted.
    [ PDF ]    [ Gzipped PDF ]    [ BIBTEX ]

  • B. Dammann, P.C. Hansen, M. Rojas, and J.B. Sand.
    An Introduction to Programming using MATLAB,
    Lecture Notes, Department of Informatics and Mathematical Modelling,
    Technical University of Denmark, Lyngby, 208 pages,
    May 2009. ISBN: 978-87-643-0483-1.

  • M. Rojas and B. Dammann.
    An Introduction to Programming using MATLAB,
    Lecture Notes, Department of Informatics and Mathematical Modelling,
    Technical University of Denmark, Lyngby, 143 pages,
    September 2008.

  • M. Rojas, S.A. Santos, and D.C. Sorensen.
    Algorithm 873: LSTRS: MATLAB Software for Large-Scale Trust-Region Subproblems and Regularization,
    ACM Transactions on Mathematical Software, 34(2):11, 2008.
    [ PDF ]    [ Gzipped PDF ]    [ BIBTEX ]     [ Software ]

  • M. Rojas, Y.B. Abraham, N.A.W. Holzwarth, and R.J. Plemmons.
    Surrogate Modeling for Geometry Optimization in Material Design,
    Proceedings of the Sixth International Congress on Industrial and Applied Mathematics (ICIAM07),
    Special Issue of Proceedings in Applied Mathematics and Mechanics (PAMM)    , 7(1), 2007.
    [ BIBTEX ]

  • L. Eldén, P.C. Hansen, and M. Rojas.
    Minimization of Linear Functionals Defined on Solutions of Large-Scale Discrete Ill-Posed Problems,
    BIT, 45(2): 329-340, 2005.
    [ PDF ]    [ Gzipped PDF ]     [ BIBTEX ]

  • M. Rojas and T. Steihaug.
    Large-Scale Optimization Techniques for Nonnegative Image Restorations,
    Proceedings of SPIE, 4791: 233-242, 2002.
    [ BIBTEX ]

  • M. Rojas and T. Steihaug.
    An Interior-Point Trust-Region-Based Method for Large-Scale Non-Negative Regularization,
    Inverse Problems, 18(5): 1291-1307, 2002.
    [ PDF ]    [ Gzipped PDF ]    [ BIBTEX ]

  • M. Rojas and D.C. Sorensen.
    A Trust-Region Approach to the Regularization of Large-Scale Discrete Forms of Ill-Posed Problems,
    SIAM Journal on Scientific Computing, 23(6): 1843-1861, 2002.
    [ PDF ]    [ Gzipped PDF ]    [ BIBTEX ]

  • M. Rojas, S.A. Santos, and D.C. Sorensen.
    A New Matrix-Free Algorithm for the Large-Scale Trust-Region Subproblem,
    SIAM Journal on Optimization, 11(3): 611-646, 2000.
    [ PDF ]    [ Gzipped PDF ]    [ BIBTEX ]

  • M. Rojas.
    A Large-Scale Trust-Region Approach to the Regularization of Discrete Ill-Posed Problems    ,
    Ph.D. Thesis, Technical Report 98-19, Department of Computational and Applied Mathematics, Rice University, May 1998.
    [ PS ]    [ Gzipped PS ]    [ BIBTEX ]

  • M. Rojas. Regularization of Large-Scale Ill-Conditioned Least Squares Problems,
    Technical Report 96-32, Department of Computational and Applied Mathematics, Rice University, October 1996.
    [ PS ]    [ Gzipped PS ]    [ BIBTEX ]

  • M. Rojas and M. Lentini. Implementation of an Interior Point Method for Linear Programming,
    Proceedings of PANEL'91, XVII Latin American Conference on Informatics,
    Caracas, Venezuela, July 1991.
    [ BIBTEX ]

  • M. Rojas. Efficient Implementation of Interior Point Algorithms for Linear Programming,
    Master of Science Thesis, Department of Computer Science, Simón Bolívar University,
    Sartenejas, Venezuela, March 1991.
    Available in Spanish only.
    [ BIBTEX ]

  • A. Teruel, H. Klie, D. Koufaty, C. Mora, R. Moscarella, and M. Rojas.
    Parallel Topological Sort, part I    ,
    Proceedings of PANEL'90, XVI Latin American Conference on Informatics,
    Asunción, Paraguay, September 1990.
    [ BIBTEX ]

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