Trigonometric matrix functions play a fundamental role in the solution of second order
differential equations. Hermite series truncation together with Paterson¿Stockmeyer
method and the double angle formula technique ...
In this paper a modification of the method proposed in [E. Defez, L. Jódar, Some applications
of Hermite matrix polynomials series expansions, Journal of Computational and Applied
Mathematics 99 (1998) 105–117] for ...