Difference equations, as discrete analogues of differential equations, form a fundamental mathematical framework for describing systems that evolve incrementally over time or space. Coupled with ...
PNAS is the world's most-cited multidisciplinary scientific serial. It publishes high-impact research reports, commentaries, perspectives, reviews, colloquium papers, and actions of the Academy. In ...
This is a preview. Log in through your library . Abstract A finite-element method with exponential basis elements is applied to a selfadjoint, singularly perturbed, two-point boundary value problem.