Efficient and accurate algorithms for the computation of two so-called phase functions which arise in semiclassical approximations are presented together with results from checks on their accuracy.
Krylov subspace approximation of eigenpairs and matrix functions in exact and computer arithmetic
β Scribed by Vladimir Druskin; Leonid Knizhnerman
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- English
- Weight
- 526 KB
- Volume
- 2
- Category
- Article
- ISSN
- 1070-5325
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
We present a new variant of the simultaneous Stone-Weierstrass approximation of a function and its partial derivatives, when the function takes its values in a Banach space, and provide an explicit and direct computation of this approximation. In the particular case of approximation by means of poly
Optimized metalαligand MαL bond lengths for 17 classical Werner-type transition-metal Ε½ . complexes were calculated using the local density approximation LDA and a gradient-Ε½ . ## corrected GC extension. GCs lengthen the bonds by between 0.02 and 0.09 A relative to Λthe LDA results. The latter ran