João R. Cardoso
João R. Cardoso
Coimbra Institute of Engineering
Verified email at isec.pt
TitleCited byYear
The Moser–Veselov equation
JR Cardoso, FS Leite
Linear algebra and its applications 360, 237-248, 2003
352003
Computing the square root and logarithm of a real P-orthogonal matrix
JR Cardoso, CS Kenney, FS Leite
Applied numerical mathematics 46 (2), 173-196, 2003
222003
The exponential‐mean‐log‐transference as a possible representation of the optical character of an average eye
WF Harris, JR Cardoso
Ophthalmic and Physiological Optics 26 (4), 380-383, 2006
212006
Exponentials of skew-symmetric matrices and logarithms of orthogonal matrices
JR Cardoso, FS Leite
Journal of computational and applied mathematics 233 (11), 2867-2875, 2010
172010
Theoretical and numerical considerations about Padé approximants for the matrix logarithm
JR Cardoso, FS Leite
Linear Algebra and its Applications 330 (1-3), 31-42, 2001
172001
Padé and Gregory error estimates for the logarithm of block triangular matrices
JR Cardoso, FS Leite
Applied numerical mathematics 56 (2), 253-267, 2006
152006
Iteration functions for pth roots of complex numbers
JR Cardoso, AF Loureiro
Numerical Algorithms 57 (3), 329-356, 2011
142011
COMPUTATION OF THE MATRIX PTH ROOT AND ITS FR ECHET DERIVATIVE BY INTEGRALS
J CARDOSO
Electronic Transactions on Numerical Analysis 39, 414-436, 2012
102012
An explicit formula for the matrix logarithm
JR Cardoso
arXiv preprint math/0410556 (also in South African Optometrist, V.64, No.3 …, 2004
102004
On the convergence of Schröder iteration functions for pth roots of complex numbers
JR Cardoso, AF Loureiro
Applied Mathematics and Computation 217 (21), 8833-8839, 2011
72011
Transformations of ray transferences of optical systems to augmented Hamiltonian matrices and the problem of the average system
JR Cardoso
African Vision and Eye Health 66 (2), 56-61, 2007
72007
Logaritmos de Matrizes: Aspectos Teóricos e Numéricos
JR Cardoso
Universidade de Coimbra, 2003
62003
Extending results from orthogonal matrices to the class of P-orthogonal matrices
JR Cardoso, FS Leite
submitted for publication, 2002
62002
Computing the inverse matrix hyperbolic sine
J Cardoso, F Silva Leite
Lecture Notes in Computer Science - Numerical Analysis and Its Applications …, 2001
62001
On a sub‐Stiefel Procrustes problem arising in computer vision
JR Cardoso, K Ziȩtak
Numerical Linear Algebra with Applications 22 (3), 523-547, 2015
52015
EVALUATING THE FR ECHET DERIVATIVE OF THE MATRIX PTH ROOT
J CARDOSO
Electronic Transactions on Numerical Analysis 38, 202-217, 2011
52011
Matrix arithmetic-geometric mean and the computation of the logarithm
JR Cardoso, R Ralha
SIAM Journal on Matrix Analysis and Applications 37 (2), 719-743, 2016
42016
Conditioning of the matrix-matrix exponentiation
JR Cardoso, A Sadeghi
Numerical Algorithms 79 (2), 457-477, 2018
32018
Dimensionless ray transference
GP Misson, WF Harris, JR Cardoso, RD Van Gool
Ophthalmic and Physiological Optics 27 (5), 502-505, 2007
22007
Some notes on properties of the matrix Mittag-Leffler function
A Sadeghi, JR Cardoso
Applied Mathematics and Computation 338, 733-738, 2018
12018
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Articles 1–20