3 papers
math.NA2020
A Technique for Improving the Computation of Functions of Triangular Matrices
João R. Cardoso, Amir Sadeghi
We propose a simple technique that, if combined with algorithms for computing functions of triangular matrices, can make them more efficient. Basically, such a technique consists i…
math.NA2018
Computation of matrix gamma function
Joao R. Cardoso, Amir Sadeghi
Matrix functions with potential applications have a major role in science and engineering. One of the fundamental matrix functions, which is particularly important due to its conne…
math.NA2017
On the conditioning of the matrix-matrix exponentiation
João R. Cardoso, Amir Sadeghi
If has no eigenvalues on the closed negative real axis, and is arbitrary square complex, the matrix-matrix exponentiation is defined as . This func…