J. G. Pierce, R. S. Varga, Higher Order Convergence Results for the Rayleigh-Ritz Method Applied to Eigenvalue Problems. I: Estimates Relating Rayleigh-Ritz and Galerkin Approximations to ...

Rayleigh-Ritz methods for the approximation of the natural modes for a class of vibration problems involving flexible beams with tip bodies using subspaces of piecewise polynomial spline functions are ...