The Moser–Veselov equation JR Cardoso, FS Leite Linear algebra and its applications 360, 237-248, 2003 | 35 | 2003 |

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 | 22 | 2003 |

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 | 21 | 2006 |

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 | 17 | 2010 |

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 | 17 | 2001 |

Padé and Gregory error estimates for the logarithm of block triangular matrices JR Cardoso, FS Leite Applied numerical mathematics 56 (2), 253-267, 2006 | 15 | 2006 |

Iteration functions for pth roots of complex numbers JR Cardoso, AF Loureiro Numerical Algorithms 57 (3), 329-356, 2011 | 14 | 2011 |

COMPUTATION OF THE MATRIX PTH ROOT AND ITS FR ECHET DERIVATIVE BY INTEGRALS J CARDOSO Electronic Transactions on Numerical Analysis 39, 414-436, 2012 | 10 | 2012 |

An explicit formula for the matrix logarithm JR Cardoso arXiv preprint math/0410556 (also in South African Optometrist, V.64, No.3 …, 2004 | 10 | 2004 |

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 | 7 | 2011 |

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 | 7 | 2007 |

Logaritmos de Matrizes: Aspectos Teóricos e Numéricos JR Cardoso Universidade de Coimbra, 2003 | 6 | 2003 |

Extending results from orthogonal matrices to the class of P-orthogonal matrices JR Cardoso, FS Leite submitted for publication, 2002 | 6 | 2002 |

Computing the inverse matrix hyperbolic sine J Cardoso, F Silva Leite Lecture Notes in Computer Science - Numerical Analysis and Its Applications …, 2001 | 6 | 2001 |

On a sub‐Stiefel Procrustes problem arising in computer vision JR Cardoso, K Ziȩtak Numerical Linear Algebra with Applications 22 (3), 523-547, 2015 | 5 | 2015 |

EVALUATING THE FR ECHET DERIVATIVE OF THE MATRIX PTH ROOT J CARDOSO Electronic Transactions on Numerical Analysis 38, 202-217, 2011 | 5 | 2011 |

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 | 4 | 2016 |

Conditioning of the matrix-matrix exponentiation JR Cardoso, A Sadeghi Numerical Algorithms 79 (2), 457-477, 2018 | 3 | 2018 |

Dimensionless ray transference GP Misson, WF Harris, JR Cardoso, RD Van Gool Ophthalmic and Physiological Optics 27 (5), 502-505, 2007 | 2 | 2007 |

Some notes on properties of the matrix Mittag-Leffler function A Sadeghi, JR Cardoso Applied Mathematics and Computation 338, 733-738, 2018 | 1 | 2018 |