2 papers
math.NA2024
Exploiting the the nonzero diagonal pattern in matrix function computations
Majed Hamadi, Nezam Mahdavi-Amiri, Marcel Schweitzer
We consider the task of approximating a matrix function , where is a matrix in which only a relatively small number of (not necessarily consecutive) sub- and superdiagona…
math.NA2020
Computing exponential of tridiagonal Toeplitz matrices with applications to numerical solution of the heat equation
Mehdi Tatari, Majed Hamadi
The computation of the exponential of a tridiagonal matrix and its applications have always been of interest. One application considered here is when the method of lines is used to…