The dimension of piecewise polynomial spaces, and one-sided approximation. (English) Zbl 0279.65091
Confer. numer. Solution differ. Equations, Dundee 1973, Lect. Notes Math. 363, 144-152 (1974).
MSC:
| 65N30 | Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs |
| 65D10 | Numerical smoothing, curve fitting |
| 65D15 | Algorithms for approximation of functions |
| 41A15 | Spline approximation |
| 41A25 | Rate of convergence, degree of approximation |
| 35J20 | Variational methods for second-order elliptic equations |
