SLEPc: Matrix-free eigenproblems

Illustrates how to solve eigenvalue problems where the matrix is defined in an implicit way, by means of a matrix-vector product subroutine (and possibly other operations) Román Moltó, JE. (2017). SLEPc: Matrix-free eigenproblems. https://riunet.upv.es/handle/10251/84458 DER