Per Christian Hansen

  1. 2014
  2. Published

    A computationally efficient tool for assessing the depth resolution in large-scale potential-field inversion. / Paoletti, Valeria; Hansen, Per Christian; Hansen, Mads Friis; Fedi, Maurizio.

    In: Geophysics, Vol. 79, No. 4, 2014, p. A33-A38.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  3. Published

    A Computationally Efficient Tool for Assessing the Depth Resolution in Potential-Field Inversion. / Paoletti, V.; Hansen, Per Christian; Hansen, Mads Friis; Fedi, M.

    Kgs. Lyngby : Technical University of Denmark, 2014. 25 p. (DTU Compute-Technical Report-2014; No. 03).

    Publication: ResearchReport – Annual report year: 2014

  4. Published

    Adaptive grouping for the higher-order multilevel fast multipole method. / Borries, Oscar Peter; Jørgensen, Erik; Meincke, Peter; Hansen, Per Christian.

    In: Microwave & Optical Technology Letters, Vol. 56, No. 10, 2014, p. 2451-2456.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  5. Submitted

    Algorithms for Electromagnetic Scattering Analysis of Electrically Large Structures. / Borries, Oscar Peter; Hansen, Per Christian (Supervisor).

    Kgs. Lyngby : Technical University of Denmark (DTU), 2014. 205 p. (DTU Compute PHD-2014; No. 354).

    Publication: ResearchPh.D. thesis – Annual report year: 2014

  6. Published

    Gaussian translation operator for Multi-Level Fast Multipole Method. / Borries, Oscar Peter; Hansen, Per Christian; Sorensen, Stig B.; Meincke, Peter; Jorgensen, Erik.

    Proceedings of the 2014 IEEE Antennas and Propagation Society International Symposium. IEEE, 2014. p. 2152-2153 (I E E E Antennas and Propagation Society. International Symposium).

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2014

  7. Published

    Generalized Row-Action Methods for Tomographic Imaging. / Andersen, Martin Skovgaard; Hansen, Per Christian.

    In: Numerical Algorithms, Vol. 67, No. 1, 2014, p. 121.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  8. Published

    Improved Multilevel Fast Multipole Method for Higher-Order discretizations. / Borries, Oscar Peter; Meincke, Peter; Jorgensen, Erik; Sorensen, Stig Busk; Hansen, Per Christian.

    Proceedings of the 8th European Conference on Antennas and Propagation (EuCAP 2014). IEEE, 2014. p. 3610-3614.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2014

  9. Published

    Multicore Performance of Block Algebraic Iterative Reconstruction Methods. / Sørensen, Hans Henrik B.; Hansen, Per Christian.

    In: S I A M Journal on Scientific Computing, Vol. 36, No. 5, 2014, p. C524-C546.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  10. Published

    Multilevel Fast Multipole Method for Higher Order Discretizations. / Borries, Oscar Peter; Meincke, Peter; Jorgensen, Erik; Hansen, Per Christian.

    In: IEEE Transactions on Antennas and Propagation, Vol. 62, No. 9, 2014, p. 4695-4705.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  11. Published

    "Plug-and-play" edge-preserving regularization. / Chen, Donghui; Kilmer, Misha E.; Hansen, Per Christian.

    In: Electronic Transactions on Numerical Analysis, Vol. 41, 2014, p. 465-477.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  12. Published
  13. Published

    Reflector antenna analysis using physical optics on Graphics Processing Units. / Borries, Oscar Peter; Sørensen, Hans Henrik Brandenborg; Dammann, Bernd; Jorgensen, Erik; Meincke, Peter; Sorensen, Stig Busk; Hansen, Per Christian.

    Proceedings of the 8th European Conference on Antennas and Propagation (EuCAP 2014). IEEE, 2014. p. 254-258.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2014

  14. Published

    Rotational image deblurring with sparse matrices. / Hansen, Per Christian; Nagy, James G.; Tigkos, Konstantinos.

    In: BIT Numerical Mathematics, Vol. 54, No. 3, 2014, p. 649-671.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  15. Published

    Semi-convergence properties of Kaczmarz’s method. / Elfving, Tommy; Hansen, Per Christian; Nikazad, Touraj.

    In: Inverse Problems, Vol. 30, No. 5, 055007, 2014.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  16. 2013
  17. Published

    Inverse Problems in Geosciences: Modelling the Rock Properties of an Oil Reservoir. / Lange, Katrine; Mosegaard, Klaus (Main supervisor); Hansen, Per Christian (Supervisor); Stenby, Erling Halfdan (Supervisor).

    Kgs. Lyngby : Technical University of Denmark, 2013. 248 p. (IMM-PHD-2013; No. 296).

    Publication: ResearchPh.D. thesis – Annual report year: 2013

  18. Published

    Least Squares Data Fitting with Applications. / Hansen, Per Christian; Pereyra, Víctor; Scherer, Godela.

    Baltimore : Johns Hopkins University Press, 2013. 328 p.

    Publication: Research - peer-reviewBook – Annual report year: 2012

  19. Published

    Oblique projections and standard-form transformations for discrete inverse problems. / Hansen, Per Christian.

    In: Numerical Linear Algebra with Applications, Vol. 20, No. 2, 2013, p. 250–258.

    Publication: Research - peer-reviewJournal article – Annual report year: 2011

  20. Published

    Sparse Image Reconstruction in Computed Tomography. / Jørgensen, Jakob Sauer; Hansen, Per Christian (Main supervisor); Schmidt, Søren (Supervisor).

    Kgs. Lyngby : Technical University of Denmark, 2013. 292 p. (PHD-2013; No. 293).

    Publication: ResearchPh.D. thesis – Annual report year: 2013

  21. Published

    The Homogeneous Interior-Point Algorithm: Nonsymmetric Cones, Warmstarting, and Applications. / Skajaa, Anders; Hansen, Per Christian (Main supervisor); Jørgensen, John Bagterp (Supervisor).

    Kgs. Lyngby : Technical University of Denmark, 2013. 149 p. (IMM-PHD-2013; No. 311).

    Publication: ResearchPh.D. thesis – Annual report year: 2014

  22. 2012
  23. Published

    AIR Tools - A MATLAB package of algebraic iterative reconstruction methods. / Hansen, Per Christian; Saxild-Hansen, Maria.

    In: Journal of Computational and Applied Mathematics, Vol. 236, No. 8, 2012, p. 2167-2178.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  24. Published

    Electrical Impedance Tomography: 3D Reconstructions using Scattering Transforms. / Delbary, Fabrice; Hansen, Per Christian; Knudsen, Kim.

    In: Applicable Analysis, Vol. 91, No. 4, 2012, p. 737-755.

    Publication: Research - peer-reviewJournal article – Annual report year: 2011

  25. Published

    Implementation of an optimal first-order method for strongly convex total variation regularization. / Jensen, Tobias Lindstrøm; Jørgensen, Jakob Heide; Hansen, Per Christian; Jensen, Søren Holdt.

    In: Bit (Lisse), Vol. 52, No. 2, 2012, p. 329–356.

    Publication: Research - peer-reviewJournal article – Annual report year: 2011

  26. Submitted

    Quantitative study of undersampled recoverability for sparse images in computed tomography. / Jørgensen, Jakob Heide; Sidky, Emil Y.; Hansen, Per Christian; Pan, Xiaochuan.

    In: S I A M Journal on Scientific Computing, 2012.

    Publication: Research - peer-reviewJournal article – Annual report year: 2012

  27. Published

    Semiconvergence and Relaxation Parameters for Projected SIRT Algorithms. / Elfving, Tommy; Hansen, Per Christian; Nikazad, Touraj.

    In: S I A M Journal on Scientific Computing, Vol. 34, No. 4, 2012, p. A2000-A2017.

    Publication: Research - peer-reviewJournal article – Annual report year: 2012

  28. 2011
  29. Published

    Accelerated gradient methods for total-variation-based CT image reconstruction. / Jørgensen, Jakob Heide; Jensen, Tobias Lindstrøm; Hansen, Per Christian; Jensen, Søren Holdt; Sidky, Emil Y.; Pan, Xiaochuan.

    Proceedings of 11th Fully 3D Meeting. 2011.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2011

  30. Published

    A Direct Numerical Reconstruction Algorithm for the 3D Calderón Problem. / Delbary, Fabrice; Hansen, Per Christian; Knudsen, Kim.

    In: Journal of Physics: Conference Series (Print), Vol. 290, 2011, p. 012003.

    Publication: Research - peer-reviewConference article – Annual report year: 2011

  31. Published

    Image Deblurring with Krylov Subspace Methods. / Hansen, Per Christian (Invited author).

    Proceedings of WSC 2011. 2011.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2011

  32. Published

    On Implementing a Homogeneous Interior-Point Algorithm for Nonsymmetric Conic Optimization. / Skajaa, Anders; Jørgensen, John Bagterp; Hansen, Per Christian.

    Kgs. Lyngby : Technical University of Denmark, DTU Informatics, Building 321, 2011. (IMM-Technical Report-2011-02).

    Publication: ResearchReport – Annual report year: 2011

  33. Published

    Total Variation and Tomographic Imaging from Projections. / Hansen, Per Christian (Invited author); Jørgensen, Jakob Heide (Invited author).

    Proceedings of WSC 2011. 2011.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2011

  34. Published

    Toward optimal X-ray flux utilization in breast CT. / Jørgensen, Jakob Heide; Hansen, Per Christian; Sidky, Emil Y.; Reiser, Ingrid S.; Pan, Xiaochuan.

    Proceedings of 11th Fully 3D Meeting. 2011.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2011

  35. 2010
  36. Published

    AIR Tools - A MATLAB Package of Algebraic Iterative Reconstruction Techniques : Version 1.0 for Matlab 7.8. / Hansen, Per Christian; Saxild-Hansen, Maria.

    Kgs. Lyngby, Denmark : Technical University of Denmark, DTU Informatics, Building 321, 2010. (IMM-Technical Report-2010-15).

    Publication: ResearchReport – Annual report year: 2010

  37. Published

    Algorithms and software for total variation image reconstruction via first-order methods. / Dahl, Joahim; Hansen, Per Christian; Jensen, Søren Holdt; Jensen, Tobias Lindstrøm.

    In: Numerical Algorithms, Vol. 53, No. 1, 2010, p. 67-92.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  38. Published

    Discrete Inverse Problems : Insight and Algorithms. / Hansen, Per Christian.

    Philadelphia : Society for Industrial and Applied Mathematics SIAM, 2010. 213 p. (Fundamentals of Algorithms; No. FA07).

    Publication: Research - peer-reviewBook – Annual report year: 2010

  39. Published

    Semi-convergence and relaxation parameters for a class of SIRT algorithms. / Elfving, Tommy; Nikazad, Touraj; Hansen, Per Christian.

    In: Electronic Transactions on Numerical Analysis, Vol. 37, 2010, p. 321-336.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  40. Published

    Towards multi-exponential analysis in optically stimulated luminescence. / Ankjærgaard, Christina; Jain, Mayank; Hansen, Per Christian; Nielsen, Hans Bruun.

    In: Journal of Physics D: Applied Physics, Vol. 43, No. 19, 2010, p. 195501.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  41. Published

    TVReg. / Jensen, Tobias Lindstrøm (Author); Jørgensen, Jakob Heide (Author); Hansen, Per Christian (Author); Jensen, Søren Holdt (Author).

    2010. .

    Publication: Research - peer-reviewComputer programme – Annual report year: 2011

  42. Published

    Two Exponential Models for Optically Stimulated Luminescence. / Hansen, Per Christian; Nielsen, Hans Bruun; Ankjærgaard, Christina; Jain, Mayank.

    Exponential Data Fitting and its Applications. ed. / Victor Pereyra; Godela Scherer. Bentham Science Publishers, 2010. p. 128-144.

    Publication: Research - peer-reviewBook chapter – Annual report year: 2009

  43. 2009
  44. Published
  45. Published

    A hybrid method for the parallel computation of Green's functions. / Petersen, Dan Erik; Li, Song; Stokbro, Kurt; Sørensen, Hans Henrik Brandenborg; Hansen, Per Christian; Skelboe, Stig; Darve, Eric.

    In: Journal of Computational Physics, Vol. 228, No. 14, 2009, p. 5020-5039.

    Publication: Research - peer-reviewJournal article – Annual report year: 2009

  46. Published

    Closing the gap between single crystal and powder diffraction. / Sørensen, Henning Osholm; Schmidt, Søren; Wright, Jonathan; Hansen, Per Christian; Poulsen, Henning Friis.

    2009. Paper presented at Congress and General Assembly of the International Union of Crystallography, Osaka, Japan.

    Publication: ResearchPaper – Annual report year: 2009

  47. Published

    Computer simulation: dynamical systems and multiscale modeling. / Hansen, Per Christian; Hesthaven, Jan; Juul Rasmussen, Jens.

    Engineering challenges: energy, climate change & health. ed. / Carsten Broder Hansen. Kgs.Lyngby : Technical University of Denmark, 2009. p. 94-105 (DTU research series).

    Publication: ResearchBook chapter – Annual report year: 2009

  48. Published

    Efficient wave-function matching approach for quantum transport calculations. / Sørensen, Hans Henrik Brandenborg; Hansen, Per Christian; Petersen, Dan Erik; Skelboe, Stig; Stokbro, Kurt.

    In: Physical Review B (Condensed Matter and Materials Physics), Vol. 79, No. 20, 2009, p. 205322.

    Publication: Research - peer-reviewJournal article – Annual report year: 2009

  49. Published

    Integrated intensities based on grain orientation distribution functions. / Sørensen, Henning Osholm; Wright, Jonathan; Schmidt, Søren; Hansen, Per Christian; Poulsen, Henning Friis.

    2009. Paper presented at Total Cryst Workshop, Grenoble (FR), 1-3 Apr., .

    Publication: ResearchPaper – Annual report year: 2009

  50. Published

    Matematikken i computerens verden - computeren i matematikkens tjeneste. / Dammann, Bernd; Hansen, Per Christian.

    Matematiske horisonter. ed. / Carsten Broder Hansen; Per Christian Hansen; Vagn Lundsgaard Hansen; Mette Minor Andersen. Technical University of Denmark (DTU), 2009. p. 189-201.

    Publication: EducationBook chapter – Annual report year: 2009

  51. Published

    Matematiske horisonter. / Hansen, Carsten Broder (Editor); Hansen, Per Christian (Editor); Hansen, Vagn Lundsgaard (Editor); Andersen, Mette Minor (Editor).

    Kgs. Lyngby, Denmark : Technical University of Denmark (DTU), 2009. 288 p.

    Publication: EducationBook – Annual report year: 2009

  52. Published
  53. 2008
  54. Published
  55. Published

    A study on regularization parameter choice in near-field acoustical holography. / Gomes, Jesper; Hansen, Per Christian.

    In: Acoustical Society of America. Journal, Vol. 123, No. 5, 2008, p. 3385-3385.

    Publication: Research - peer-reviewConference article – Annual report year: 2008

  56. Published

    Block Tridiagonal Matrix Inversion and Fast Transmission Calculations. / Petersen, Dan Erik; Sørensen, Hans Henrik Brandenborg; Hansen, Per Christian; Skelboe, Stig; Stokbro, Kurt.

    In: Journal of Computational Physics, Vol. 227, No. 6, 2008, p. 3174-3190.

    Publication: Research - peer-reviewJournal article – Annual report year: 2008

  57. Published

    Krylov subspace method for evaluating the self-energy matrices in electron transport calculations. / Sørensen, Hans Henrik Brandenborg; Hansen, Per Christian; Petersen, D. E.; Skelboe, S.; Stokbro, Kurt.

    In: Physical Review B (Condensed Matter and Materials Physics), Vol. 77, No. 15, 2008, p. 155301.

    Publication: Research - peer-reviewJournal article – Annual report year: 2008

  58. Published

    Noise propagation in regularizing iterations for image deblurring. / Hansen, Per Christian; Jensen, Toke Koldborg.

    In: Electronic Transactions on Numerical Analysis, Vol. 31, 2008, p. 204-220.

    Publication: Research - peer-reviewJournal article – Annual report year: 2008

  59. Published

    Reconstruction of Single-Grain Orientation Distribution Functions for Crystalline Materials. / Hansen, Per Christian; Sørensen, Henning Osholm; Sükösd, Zsuzsanna; Poulsen, Henning Friis.

    Techincal University of Denmark, Informatics, Building 321, 2008. (IMM-Technical Report-2008-05; No. 2008-05).

    Publication: ResearchReport – Annual report year: 2008

  60. 2007
  61. Published

    Finite Discrete Gabor Analysis. / Søndergaard, Peter Lempel; Hansen, Per Christian (Supervisor); Christensen, Ole (Supervisor).

    2007. 190 p.

    Publication: ResearchPh.D. thesis – Annual report year: 2007

  62. Published

    A convex programming approach to anisotropic smoothing. / Dahl, Joachim; Jansen, Søren Holdt; Hansen, Per Christian.

    IEEE International Conference on Image Processing (ICIP). Vol. II San Antonio, TX : IEEE, 2007. p. 104-104.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2007

  63. Published

    Ambiguity in depth resolution in potential field inversion. / Fedi, Maurizio; Hansen, Per Christian; Paoletti, Valeria.

    In: Communications to SIMAI Congress, Vol. 2, 2007.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  64. Published

    An adaptive pruning algorithm for the discrete L-curve criterion. / Hansen, Per Christian; Jensen, Toke Koldborg; Rodriguez, Giuseppe.

    In: Journal of Computational and Applied Mathematics, Vol. 198, No. 2, 2007, p. 483-492.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  65. Published

    A projection-based approach to general-form Tikhonov regularization. / Kilmer, Misha E.; Hansen, Per Christian; Espanol, Malena I.

    In: S I A M Journal on Scientific Computing, Vol. 29, No. 1, 2007, p. 315-330.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  66. Published

    Iterative Regularization with Minimum-Residual Methods. / Jensen, Toke Koldborg; Hansen, Per Christian.

    In: BIT Numerical Mathematics, Vol. 47, No. 1, 2007, p. 103-120.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  67. Published

    Large-scale methods in image deblurring. / Hansen, Per Christian (Invited author).

    Applied Parallel Computing: State of the Art in Scientific Computing. ed. / Bo Kågström; Erik Elmroth; Jack J. Dongarra; Jerzy Wasniewski. Springer, 2007. p. 24-35 (Lecture Notes in Computer Science; No. 4699).

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2007

  68. Published

    Regularization Tools Version 4.0 for Matlab 7.3. / Hansen, Per Christian.

    In: Numerical Algorithms, Vol. 46, No. 2, 2007, p. 189-194.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  69. Published
  70. 2006
  71. Published

    Stabilization Algorithms for Large-Scale Problems. / Jensen, Toke Koldborg; Hansen, Per Christian (Supervisor).

    2006. (IMM-PHD-2006-163).

    Publication: ResearchPh.D. thesis – Annual report year: 2006

  72. Published

    Deburring Images: Matrices, Spectra, and Filtering. / Hansen, Per Christian; Nagy, James G.; O'Leary, Dianne P.

    Philidelphia : SIAM, 2006. 130 p. (Fundamentals of Algorithms; No. FA03).

    Publication: Research - peer-reviewBook – Annual report year: 2006

  73. Published

    Exploiting residual information in the parameter choice for discrete ill-posed problems. / Hansen, Per Christian; Kilmer, Misha E.; Kjeldsen, Rikke Høj.

    In: BIT Numerical Mathematics, Vol. 46, No. 1, 2006, p. 41-59.

    Publication: Research - peer-reviewJournal article – Annual report year: 2006

  74. Published

    Iterative regularization with minimum-residual methods. / Jensen, Toke Koldborg; Hansen, Per Christian.

    2006.

    Publication: Research - peer-reviewReport – Annual report year: 2006

  75. Published

    Least Squares Solution of Linear Systems. / Hansen, Per Christian; Nielsen, Hans Bruun.

    Handbook of Linear Algebra. ed. / Leslie Hogben. Chapman & Hall, 2006.

    Publication: Research - peer-reviewBook chapter – Annual report year: 2006

  76. Published

    Smoothing-Norm Preconditioning for Regularizing Minimum-Residual Methods. / Hansen, Per Christian; Jensen, Toke Koldborg.

    In: SIAM journal on matrix analysis and applications, Vol. 29, No. 1, 2006, p. 1-14.

    Publication: Research - peer-reviewJournal article – Annual report year: 2006

  77. Published

    Subspace-Based Noise Reduction for Speech Signals via Diagonal and Triangular Matrix Decompositions. / Hansen, Per Christian; Jensen, Søren Holdt.

    Informatics and Mathematical Modelling, Technical University of Denmark, DTU, 2006.

    Publication: Research - peer-reviewReport – Annual report year: 2006

  78. 2005
  79. Published

    Minimization of linear functionals defined on solutions of large-scale discrete ill-posed problems. / Eldén, Lars; Hansen, Per Christian; Rojas, Marielba.

    In: BIT Numerical Mathematics, Vol. 45, No. 2, 2005, p. 329-340.

    Publication: Research - peer-reviewJournal article – Annual report year: 2005

  80. Published

    Prewhitening for Rank-Deficient Noise in Subspace Methods for Noise Reduction. / Hansen, Per Christian; Jensen, Søren Holdt.

    In: I E E E Transactions on Signal Processing, Vol. 53, No. 10/1, 2005, p. 3718-3726.

    Publication: Research - peer-reviewJournal article – Annual report year: 2005

  81. Published

    Tutorial : analysis of depth resolution in potential-field inversion. / Fedi, Maurizio; Hansen, Per Christian; Paoletti, Valeria.

    In: Geophysics, Vol. 70, No. 6, 2005, p. A1-A11.

    Publication: Research - peer-reviewJournal article – Annual report year: 2005

  82. Published

    UTV Expansion Pack: Special-Purpose Rank-Revealing Algorithms. / Fierro, Ricardo D.; Hansen, Per Christian.

    In: Numerical Algorithms, Vol. 40, No. 1, 2005, p. 47-66.

    Publication: Research - peer-reviewJournal article – Annual report year: 2005

  83. 2004
  84. Published
  85. Published

    Modular Regularization Algorithms. / Jacobsen, Michael; Hansen, Per Christian (Supervisor).

    2004.

    Publication: ResearchPh.D. thesis – Annual report year: 2004

  86. Published

    An Adaptive Pruning Algorithm for the Discrete L-Curve Criterion. / Hansen, Per Christian; Jensen, Toke Koldborg; Rodriguez, Giuseppe.

    2004. 23 p.

    Publication: ResearchReport – Annual report year: 2004

  87. Published

    Oblique projections, pseudoinverses, and standard-form transformations. / Hansen, Per Christian.

    2004.

    Publication: ResearchReport – Annual report year: 2004

  88. Published
  89. Published

    Smoothing-norm preconditioning for GMRES. / Hansen, Per Christian; Jensen, Toke Koldborg.

    2004.

    Publication: ResearchReport – Annual report year: 2004

  90. Published

    UTV Expansion Pack - Special-Purpose Rank Revealing Algorithms (version 1.0 for Matlab 6.5). / Fierro, Ricardo D.; Hansen, Per Christian.

    Lyngby : Informatics and Mathematical Modelling, Technical University of Denmark, DTU, 2004.

    Publication: ResearchReport – Annual report year: 2004

  91. 2003
  92. Published

    Minimization of Linear Functionals Defined on| Solutions of Large-Scale Discrete Ill-Posed Problems. / Elden, Lars; Hansen, Per Christian; Rojas, Marielba.

    2003.

    Publication: Research - peer-reviewReport – Annual report year: 2003

  93. Published

    Sound source reconstruction using inverse boundary element calculations. / Schuhmacher, Andreas; Hald, Jørgen; Rasmussen, Karsten Bo; Hansen, Per Christian.

    In: Acoustical Society of America. Journal, Vol. 113, No. 1, 2003, p. 114-127.

    Publication: Research - peer-reviewJournal article – Annual report year: 2003

  94. Published

    Subscpace preconditioned LSQR for discrete ill-posed problems. / Jacobsen, Michael; Hansen, Per Christian; Saunders, Michael A.

    In: BIT Numerical Mathematics, Vol. 43, No. suppl., 2003, p. 975-989.

    Publication: Research - peer-reviewJournal article – Annual report year: 2003

  95. 2002
  96. Published

    Computational properties of algorithmes for multi-level inversion of 3-D potential fields. / Andersen, Marie L.; Fedi, M.; Hansen, Per Christian; Rapolla, A.

    2002.

    Publication: Research - peer-reviewReport – Annual report year: 2002

  97. Published

    Computational properties of algorithms for multi-level inversion of 3-D potential fields. / Andersen, Marie Lund; Fedi, Maurizio; Hansen, Per Christian; Paoletti, Valeria; Rapolla, Antonio.

    Lyngby : Technical University of Denmark, DTU Informatics, Building 321, 2002. (IMM-Technical Report-2002-16).

    Publication: Research - peer-reviewReport – Annual report year: 2002

  98. Published

    Deconvolution and Regularization with Toeplitz Matrices. / Hansen, Per Christian.

    In: Numerical Algorithms, Vol. 29, No. 4, 2002, p. 323-378.

    Publication: Research - peer-reviewJournal article – Annual report year: 2002

  99. Published

    Exploiting residual information in the regularization of discrete ill-posed problems. / Hansen, Per Christian; Kilmer, Misha; Kjeldsen, Rikke Høj.

    2002.

    Publication: ResearchReport – Annual report year: 2002

  100. Published

    L-Curve Curvature Bounds via Lanczos Bidiagonalization. / Calvetti, Daniela; Hansen, Per Christian; Reichel, Lothar.

    In: Electronic Transactions on Numerical Analysis, Vol. 14, 2002, p. 134-149.

    Publication: Research - peer-reviewJournal article – Annual report year: 2002

  101. Published

    Recent Developments in Rank Revealing and Lanczos Methods for TLS-Related Problems. / Fierro, Ricardo D.; Hansen, Per Christian.

    Total Least Squares and Errors-in-Variables Modeling. ed. / Sabine van Huffel. Kluwer Academic, 2002. p. 47-56.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2002

  102. Published

    Subspace preconditioned LSQR for discrete ill-posed problems. / Jacobsen, Michael; Hansen, Per Christian; Saunders, Michael A.

    2002.

    Publication: ResearchReport – Annual report year: 2002

  103. Published

    Truncated VSV Solutions to Symmetric Rank-Deficient Problems. / Fierro, Ricardo D.; Hansen, Per Christian.

    In: BIT, Vol. 42, No. 3, 2002, p. 531-540.

    Publication: Research - peer-reviewJournal article – Annual report year: 2002

  104. 2001
  105. Published

    Computing Symmetric Rank-Revealing Decompositions via Triangular Factorization. / Hansen, Per Christian; Yalamov, Plamen Y.

    In: S I A M Journal on Matrix Analysis and Applications, Vol. 23, No. 2, 2001, p. 443-458.

    Publication: Research - peer-reviewJournal article – Annual report year: 2001

  106. Published

    L-curve curvature bounds via Lanczos bidiagonalization. / Calvetti, D.; Hansen, Per Christian; Reichel, L.

    2001.

    Publication: Research - peer-reviewReport – Annual report year: 2001

  107. Published

    Rank-Revealing Decompositions of Symmetric Toeplitz Matrices. / Hansen, Per Christian; Yalamov, Plamen Y.

    Structured Matrices in Mathematics, Computer Science, and Engineering II. ed. / V. Olshevsky. American Mathematical Society, 2001. p. 163-171.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2001

  108. Published

    Sound source reconstruction using inverse BEM. / Schuhmacher, Andreas P.; Hansen, Per Christian.

    InterNoise 2001, The Hague, Holland. ed. / R. Boone. 2001. p. 2109-2112.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2001

  109. Published
  110. Published

    The L-Curve and its Use in the Numerical Treatment of Inverse Problems. / Hansen, Per Christian.

    Computational Inverse Problems in Electrocardiology. ed. / P. Johnston. WIT Press, 2001. p. 119-142.

    Publication: Research - peer-reviewBook chapter – Annual report year: 2001

  111. Published

    Truncated VSV solutions to symmetric rank-deficient problems. / Fierro, Richardo D.; Hansen, Per Christian.

    2001.

    Publication: Research - peer-reviewReport – Annual report year: 2001

  112. 2000
  113. Published

    Canonical filters and rank-reduction algorithms. / Hansen, Per Christian; Hansen, Peter Søren Kirk; Hansen, Steffen Duus; Sørensen, John Aasted.

    IMM Publications, 2000.

    Publication: Research - peer-reviewReport – Annual report year: 2000

  114. Published

    Methods and Applications of Inversion. / Hansen, Per Christian (Editor); Jacobsen, Bo Holm (Editor); Mosegaard, Klaus (Editor).

    Springer, 2000. 304 p. (Lecture Notes in Earth Science; No. 92).

    Publication: Research - peer-reviewBook – Annual report year: 2000

  115. Published

    Stabilization by Perturbation of a 4n^2 Toeplitz Solver. / Hansen, Per Christian; Yalamov, P. Y.

    In: SIAM Journal on Matrix Analysis and Applications, 2000, p. 849-867.

    Publication: Research - peer-reviewJournal article – Annual report year: 2000

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