@techreport{MTMT:2027614, title = {ABS Projections Algorithms. Mathematical Techniques for Linear and Nonlinear Algebraic Equations}, url = {https://m2.mtmt.hu/api/publication/2027614}, author = {Abaffy, József and Spedicato, E.}, unique-id = {2027614}, year = {1996} } @misc{MTMT:2027267, title = {Sul calcolo dell'autovalore di Frobenius di matrici non negative. Scritti in onore di Giovanni Melzi Vita e Pensiero}, url = {https://m2.mtmt.hu/api/publication/2027267}, author = {Abaffy, József and Bertocchi, M. and Torriero, A.}, unique-id = {2027267}, year = {1994}, pages = {9-26} } @techreport{MTMT:2027222, title = {Analysis of a Subclass of Nonsingular M-matrices and its Economic Applications}, url = {https://m2.mtmt.hu/api/publication/2027222}, author = {Abaffy, József and Bertocchi, M. and Torriero, A.}, unique-id = {2027222}, year = {1992}, pages = {1-30} } @techreport{MTMT:2027231, title = {New Algorithms for Computing the Frobenius eigenvalue}, url = {https://m2.mtmt.hu/api/publication/2027231}, author = {Abaffy, József and Bertocchi, M. and Torriero, A.}, unique-id = {2027231}, year = {1992}, pages = {1-21} } @techreport{MTMT:2166610, title = {Perturbations of M-matrices via ABS methods and their applications to input-output analysis}, url = {https://m2.mtmt.hu/api/publication/2166610}, author = {Abaffy, József and Bertocchi, M and Torriero, A}, unique-id = {2166610}, year = {1992}, pages = {1-28} } @CONFERENCE{MTMT:2027245, title = {Un algoritmo per la determinazione dell’autovalori di Frobenius di matrici nonnegativi}, url = {https://m2.mtmt.hu/api/publication/2027245}, author = {Abaffy, József and Bertocchi, M. and Torriero, A.}, booktitle = {Atti del XVI Convegno AMASES}, unique-id = {2027245}, year = {1992}, pages = {763-767} } @article{MTMT:2027237, title = {Criteria for transforming a Z-matrix into an M-matrix}, url = {https://m2.mtmt.hu/api/publication/2027237}, author = {Abaffy, József and Marida, Bertocchi and Anna, Torriero}, journal-iso = {OPTIM METHOD SOFTW}, journal = {OPTIMIZATION METHODS & SOFTWARE}, volume = {1}, unique-id = {2027237}, issn = {1055-6788}, year = {1992}, eissn = {1029-4937}, pages = {183-196} } @techreport{MTMT:2027183, title = {Characterization of M-Matrices via ABS Methods and its Application to Input-Output analysis}, url = {https://m2.mtmt.hu/api/publication/2027183}, author = {Abaffy, József and Bertocchi, M. and Torriero, A.}, unique-id = {2027183}, year = {1991}, pages = {1-21} } @CONFERENCE{MTMT:2027198, title = {Una caratterizzazione delle M-matrici attraverso la classe ABS. Applicazione al modello Input-Output}, url = {https://m2.mtmt.hu/api/publication/2027198}, author = {Abaffy, József and Bertocchi, M. and Torriero, A.}, booktitle = {Atti del XV Convegno AMASES}, unique-id = {2027198}, year = {1991}, pages = {567-572} } @techreport{MTMT:2027182, title = {vectorized FORTRAN code of the implicit conjugate direction algorithm of the ABS class}, url = {https://m2.mtmt.hu/api/publication/2027182}, author = {Abaffy, József and Bertocchi, M.}, unique-id = {2027182}, year = {1991} } @inbook{MTMT:2027169, title = {ABS Algorithms for Sparse Linear Systems}, url = {https://m2.mtmt.hu/api/publication/2027169}, author = {Abaffy, József}, booktitle = {Computer Algorithms for Solving Linear Algebraic Equations}, unique-id = {2027169}, year = {1990}, pages = {111-131} } @article{MTMT:2027147, title = {Vectorized ABS Conjugate Direction Algorithms on the IBM 3090 VF}, url = {https://m2.mtmt.hu/api/publication/2027147}, author = {Abaffy, József and Bertocchi, M.}, journal-iso = {PU.M.A PURE MATH APPL}, journal = {PURE MATHEMATICS AND APPLICATIONS}, volume = {1}, unique-id = {2027147}, issn = {1218-4586}, year = {1990}, eissn = {1788-800X}, pages = {189-202} } @article{MTMT:2026897, title = {A class of scaled direct methods for linear systems}, url = {https://m2.mtmt.hu/api/publication/2026897}, author = {Abaffy, József and Emilio, Spedicato}, journal-iso = {ANN I STAT MATH}, journal = {ANNALS OF THE INSTITUTE OF STATISTICAL MATHEMATICS}, volume = {42}, unique-id = {2026897}, issn = {0020-3157}, year = {1990}, eissn = {1572-9052}, pages = {187-201} } @book{MTMT:2026885, title = {ABS Projections Algorithms: Mathematical Techniques for Linear and Nonlinear Algebraic Equations}, url = {https://m2.mtmt.hu/api/publication/2026885}, isbn = {9780130192417}, author = {Abaffy, József and Spedicato, E.}, publisher = {Horwood Publishing Ltd}, unique-id = {2026885}, year = {1989} } @techreport{MTMT:2026880, title = {Derivation of Lanczos Type Methods in the Generalized ABS Algorithm for Linear Systems}, url = {https://m2.mtmt.hu/api/publication/2026880}, author = {Abaffy, József}, unique-id = {2026880}, year = {1988}, pages = {1-10} } @techreport{MTMT:2026877, title = {Equivalence of a Generalization of Sloboda's Algorithm with a Subclass of the Generalized ABS Algorithm for Linear Systems}, url = {https://m2.mtmt.hu/api/publication/2026877}, author = {Abaffy, József}, unique-id = {2026877}, year = {1988}, pages = {1-9} } @techreport{MTMT:2026883, title = {Formulation of the Conjugate Gradient Type Algorithm of Fridman for Indefinite Symmetric System in the Subclass of the Generalized Symmetric ABS Algorithms}, url = {https://m2.mtmt.hu/api/publication/2026883}, author = {Abaffy, József}, unique-id = {2026883}, year = {1988}, pages = {1-8} } @techreport{MTMT:2026861, title = {Optimal Methods in Broyden's Stability Sense}, url = {https://m2.mtmt.hu/api/publication/2026861}, author = {Abaffy, József}, unique-id = {2026861}, year = {1988}, pages = {1-12} } @techreport{MTMT:2026868, title = {Orthogonally Scaled and Optimally Stable Algorithms in the Scaled ABS Class for Linear Systems}, url = {https://m2.mtmt.hu/api/publication/2026868}, author = {Abaffy, József and Spedicato, E.}, unique-id = {2026868}, year = {1988}, pages = {1-28} } @techreport{MTMT:2026870, title = {Reorthogonalized Methods in the ABSg Class}, url = {https://m2.mtmt.hu/api/publication/2026870}, author = {Abaffy, József}, unique-id = {2026870}, year = {1988}, pages = {1-10} } @article{MTMT:2026866, title = {Superlinear convergence theorem in the ABSg class of algorithms for nonlinear algebraic equations}, url = {https://m2.mtmt.hu/api/publication/2026866}, author = {Abaffy, József}, journal-iso = {J OPTIMIZ THEORY APP}, journal = {JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS}, volume = {59}, unique-id = {2026866}, issn = {0022-3239}, year = {1988}, eissn = {1573-2878}, pages = {39-43} } @techreport{MTMT:2096570, title = {Applications of ABS class to unconstrained function minimization}, url = {https://m2.mtmt.hu/api/publication/2096570}, author = {Abaffy, József and Galántai, Aurél and Spedicato, E}, unique-id = {2096570}, year = {1987}, pages = {1-7} } @techreport{MTMT:2096536, title = {Convergence properties of the ABS algorithm for nonlinear algebraic equations}, url = {https://m2.mtmt.hu/api/publication/2096536}, author = {Abaffy, József and Galántai, Aurél and Spedicato, E}, unique-id = {2096536}, year = {1987}, pages = {1-14} } @techreport{MTMT:2026835, title = {Error Analysis and Stability for some Cases in the ABSg Class}, url = {https://m2.mtmt.hu/api/publication/2026835}, author = {Abaffy, József}, unique-id = {2026835}, year = {1987}, pages = {1-32} } @techreport{MTMT:2026846, title = {On Solving Sparse Band Systems with Three Algorithms of the ABS Family}, url = {https://m2.mtmt.hu/api/publication/2026846}, author = {Abaffy, József and Dixon, L. C. W.}, unique-id = {2026846}, year = {1987}, pages = {1-20} } @techreport{MTMT:2026843, title = {Preliminary Test Results with some Algorithms of the ABSg Class}, url = {https://m2.mtmt.hu/api/publication/2026843}, author = {Abaffy, József}, unique-id = {2026843}, year = {1987}, pages = {1-25} } @techreport{MTMT:2026840, title = {The Description of a Package for Sparse Linear Systems Using 6 Algorithms in the ABSg Class}, url = {https://m2.mtmt.hu/api/publication/2026840}, author = {Abaffy, József}, unique-id = {2026840}, year = {1987}, pages = {1-12} } @article{MTMT:2255299, title = {Numerical experiments with the symmetric algorithm in the ABS class for linear systems}, url = {https://m2.mtmt.hu/api/publication/2255299}, author = {Abaffy, József and E., Spedicato}, journal-iso = {OPTIMIZATION}, journal = {OPTIMIZATION: A JOURNAL OF MATHEMATICAL PROGRAMMING AND OPERATIONS RESEARCH}, volume = {18}, unique-id = {2255299}, issn = {0233-1934}, year = {1987}, eissn = {1029-4945}, pages = {197-212} } @techreport{MTMT:2026622, title = {Conjugate direction methods for linear and nonlinear systems of algebraic equations}, url = {https://m2.mtmt.hu/api/publication/2026622}, author = {Abaffy, József and Broyden, C.G. and Spedicato, E.}, unique-id = {2026622}, year = {1986}, pages = {1-21} } @inproceedings{MTMT:2026615, title = {Some Special Cases of the ABSg Class for Sparse Matrices}, url = {https://m2.mtmt.hu/api/publication/2026615}, author = {Abaffy, József}, booktitle = {Proceedings of the Conference on Automata, Languages and Programming Systems}, unique-id = {2026615}, year = {1986}, pages = {9-15} } @CONFERENCE{MTMT:2026603, title = {A generalization of the ABS algorithm for linear s ystems, Computers and Computing}, url = {https://m2.mtmt.hu/api/publication/2026603}, author = {Abaffy, József and Spedicato, E.}, booktitle = {Proceedings of the International Conference on Future Trends of Computing}, unique-id = {2026603}, year = {1985}, pages = {27-34} } @techreport{MTMT:2023828, title = {The local convergence of ABS for nonlinear algebraic equations}, url = {https://m2.mtmt.hu/api/publication/2023828}, author = {Abaffy, József and Galántai, Aurél and Spedicato, E.}, unique-id = {2023828}, year = {1985}, pages = {1-18} } @techreport{MTMT:2026560, title = {A Class of Direct Methods of Quasi-Newton Type for General Linear Systems}, url = {https://m2.mtmt.hu/api/publication/2026560}, author = {Abaffy, József and Broyden, C.G. and Spedicato, E.}, unique-id = {2026560}, year = {1984}, pages = {1-37} } @techreport{MTMT:2026590, title = {A Generalization of Huang`s Method for Solving Systems of Linear Algebraic Equations}, url = {https://m2.mtmt.hu/api/publication/2026590}, author = {Abaffy, József and Spedicato, E.}, unique-id = {2026590}, year = {1984}, pages = {517-529} } @inproceedings{MTMT:2026586, title = {A Generalization of the ABS Class}, url = {https://m2.mtmt.hu/api/publication/2026586}, author = {Abaffy, József}, booktitle = {Conference on Automata, Languages and Mathematical Systems}, unique-id = {2026586}, year = {1984}, pages = {7-11} } @article{MTMT:2026571, title = {A class of direct methods for linear systems}, url = {https://m2.mtmt.hu/api/publication/2026571}, author = {Abaffy, József and Charles, Broyden and Emilio, Spedicato}, journal-iso = {NUMER MATH}, journal = {NUMERISCHE MATHEMATIK}, volume = {45}, unique-id = {2026571}, issn = {0029-599X}, year = {1984}, eissn = {0945-3245}, pages = {361-376} } @techreport{MTMT:2026547, title = {A Code for General Linear Systems}, url = {https://m2.mtmt.hu/api/publication/2026547}, author = {Abaffy, József and Spedicato, E.}, unique-id = {2026547}, year = {1983}, pages = {211-229} } @techreport{MTMT:2026539, title = {Computational Experience with a Class of Direct Methods for Linear Systems}, url = {https://m2.mtmt.hu/api/publication/2026539}, author = {Abaffy, József and Spedicato, E.}, unique-id = {2026539}, year = {1983}, pages = {1-25} } @techreport{MTMT:2026544, title = {Numerical Performance of the Pseudosymmetric Algorithm in the ABS Class}, url = {https://m2.mtmt.hu/api/publication/2026544}, author = {Abaffy, József and Broyden, C.G. and Spedicato, E.}, unique-id = {2026544}, year = {1983}, pages = {1-12} } @techreport{MTMT:2026540, title = {On the Symmetric Algorithm in the ABS Class of Direct Methods for Linear Systems}, url = {https://m2.mtmt.hu/api/publication/2026540}, author = {Abaffy, József and Spedicato, E.}, unique-id = {2026540}, year = {1983}, pages = {1-19} } @techreport{MTMT:2026521, title = {A Class of Direct Methods for Linear System II.}, url = {https://m2.mtmt.hu/api/publication/2026521}, author = {Abaffy, József and Broyden, C.G. and Spedicato, E.}, unique-id = {2026521}, year = {1982}, pages = {1-28} } @article{MTMT:2026357, title = {A lineáris egyenletrendszerek általános megoldásának egy direkt módszerosztálya}, url = {https://m2.mtmt.hu/api/publication/2026357}, author = {Abaffy, József}, journal-iso = {ALK MAT LAP}, journal = {ALKALMAZOTT MATEMATIKAI LAPOK}, volume = {5}, unique-id = {2026357}, issn = {0133-3399}, year = {1979}, pages = {223-240} }