Ehrich, S. Pointwise error bounds for orthogonal cardinal spline approximation. (English) Zbl 1019.41007 Appl. Math. Comput. 128, No. 2-3, 237-260 (2002). MSC: 41A15 65D07 PDF BibTeX XML Cite \textit{S. Ehrich}, Appl. Math. Comput. 128, No. 2--3, 237--260 (2002; Zbl 1019.41007) Full Text: DOI
Ehrich, Sven On stratified extensions of Gauss-Laguerre and Gauss-Hermite quadrature formulas. (English) Zbl 1002.41014 J. Comput. Appl. Math. 140, No. 1-2, 291-299 (2002). Reviewer: Boris I.Golubov (Dolgoprudny) MSC: 41A55 PDF BibTeX XML Cite \textit{S. Ehrich}, J. Comput. Appl. Math. 140, No. 1--2, 291--299 (2002; Zbl 1002.41014) Full Text: DOI
Ehrich, Sven Explicit inequalities for wavelet coefficients. (English) Zbl 1018.42022 Appl. Anal. 78, No. 1-2, 1-8 (2001). MSC: 42C40 65T60 41A15 PDF BibTeX XML Cite \textit{S. Ehrich}, Appl. Anal. 78, No. 1--2, 1--8 (2001; Zbl 1018.42022) Full Text: DOI
Ehrich, Sven Stopping functionals for Gaussian quadrature formulas. (English) Zbl 0973.41015 J. Comput. Appl. Math. 127, No. 1-2, 153-171 (2001). Reviewer: Luigi Gatteschi (Torino) MSC: 41A55 PDF BibTeX XML Cite \textit{S. Ehrich}, J. Comput. Appl. Math. 127, No. 1--2, 153--171 (2001; Zbl 0973.41015) Full Text: DOI
Ehrich, Sven On the estimation of wavelet coefficients. (English) Zbl 0955.42023 Adv. Comput. Math. 13, No. 2, 105-129 (2000). Reviewer: Gerlind Plonka (Duisburg) MSC: 42C40 41A15 PDF BibTeX XML Cite \textit{S. Ehrich}, Adv. Comput. Math. 13, No. 2, 105--129 (2000; Zbl 0955.42023) Full Text: DOI
Ehrich, Sven Error bounds for linear approximations on the real line. (English) Zbl 0980.41032 Analysis, München 20, No. 1, 51-63 (2000). Reviewer: Costica Mustăţa (Cluj-Napoca) MSC: 41A80 65D99 PDF BibTeX XML Cite \textit{S. Ehrich}, Analysis, München 20, No. 1, 51--63 (2000; Zbl 0980.41032) Full Text: DOI
Ehrich, Sven Stieltjes polynomials and the error of Gauss-Kronrod quadrature formulas. (English) Zbl 0941.65021 Gautschi, W. (ed.) et al., Applications and computation of orthogonal polynomials. Conference at the Mathematical Research Institute Oberwolfach, Germany, March 22-29, 1998. Dedicated to the memory of Günther Hämmerlin. Basel: Birkhäuser. ISNM, Int. Ser. Numer. Math. 131, 57-77 (1999). MSC: 65D32 41A55 42C05 PDF BibTeX XML Cite \textit{S. Ehrich}, ISNM, Int. Ser. Numer. Math. 131, 57--77 (1999; Zbl 0941.65021)
Ehrich, Sven On orthogonal polynomials for certain nondefinite linear functionals. (English) Zbl 0942.42014 J. Comput. Appl. Math. 99, No. 1-2, 119-128 (1998). Reviewer: Václav Burjan (Praha) MSC: 42C05 33C45 26C10 65D07 41A15 PDF BibTeX XML Cite \textit{S. Ehrich}, J. Comput. Appl. Math. 99, No. 1--2, 119--128 (1998; Zbl 0942.42014) Full Text: DOI
Ehrich, Sven On localised error bounds for orthogonal approximation from shift invariant spaces. (English) Zbl 0919.42023 Proceedings of the 3rd international conference on functional analysis and approximation theory, Acquafredda di Maratea (Potenza), Italy, September 23–28, 1996. Vols. I and II. Palermo: Circolo Matemàtico di Palermo, Suppl. Rend. Circ. Mat. Palermo, II. Ser. 52, 393-407 (1998). Reviewer: A.L.Brown (Chandigarh) MSC: 42C15 41A30 41A50 PDF BibTeX XML Cite \textit{S. Ehrich}, in: Proceedings of the 3rd international conference on functional analysis and approximation theory, Acquafredda di Maratea (Potenza), Italy, September 23--28, 1996. Vols. I and II. Palermo: Circolo Matemàtico di Palermo. 393--407 (1998; Zbl 0919.42023)
Ehrich, Sven On product integration with Gauss-Kronrod nodes. (English) Zbl 0908.41023 SIAM J. Numer. Anal. 35, No. 1, 78-92 (1998). MSC: 41A55 PDF BibTeX XML Cite \textit{S. Ehrich}, SIAM J. Numer. Anal. 35, No. 1, 78--92 (1998; Zbl 0908.41023) Full Text: DOI
Ehrich, Sven Sard-optimal prefilters for the fast wavelet transform. (English) Zbl 0902.65097 Numer. Algorithms 16, No. 3-4, 303-319 (1997). Reviewer: Khalifa Trimèche (Tunis) MSC: 65T60 42C40 PDF BibTeX XML Cite \textit{S. Ehrich}, Numer. Algorithms 16, No. 3--4, 303--319 (1997; Zbl 0902.65097) Full Text: DOI
Ehrich, Sven Practical error estimates for the Gauss-Kronod quadrature formula. (English) Zbl 0900.41023 Alefeld, Götz (ed.) et al., Numerical methods and error bounds. Proceedings of the IMACS-GAMM international symposium, Oldenburg, Germany, July 9–12, 1995. Berlin: Akademie Verlag. Math. Res. 89, 74-79 (1996). MSC: 41A80 41A55 PDF BibTeX XML Cite \textit{S. Ehrich}, in: Numerical methods and error bounds. Proceedings of the IMACS-GAMM international symposium, Oldenburg, Germany, July 9--12, 1995. Berlin: Akademie Verlag. 74--79 (1996; Zbl 0900.41023)
Ehrich, Sven High order error constants of Gauss-Kronrod quadrature formulas. (English) Zbl 0859.41022 Analysis 16, No. 4, 335-345 (1996). MSC: 41A55 65D32 PDF BibTeX XML Cite \textit{S. Ehrich}, Analysis 16, No. 4, 335--345 (1996; Zbl 0859.41022) Full Text: DOI
Ehrich, Sven A note on Peano constants of Gauss-Kronrod quadrature schemes. (English) Zbl 0853.41018 J. Comput. Appl. Math. 66, No. 1-2, 177-183 (1996). MSC: 41A55 41A80 PDF BibTeX XML Cite \textit{S. Ehrich}, J. Comput. Appl. Math. 66, No. 1--2, 177--183 (1996; Zbl 0853.41018) Full Text: DOI
Ehrich, Sven Asymptotic behaviour of Stieltjes polynomials for ultraspherical weight functions. (English) Zbl 0867.42011 J. Comput. Appl. Math. 65, No. 1-3, 135-144 (1995). Reviewer: L.Gatteschi (Torino) MSC: 42C05 33C55 41A55 PDF BibTeX XML Cite \textit{S. Ehrich}, J. Comput. Appl. Math. 65, No. 1--3, 135--144 (1995; Zbl 0867.42011) Full Text: DOI
Ehrich, Sven Asymptotic properties of Stieltjes polynomials and Gauss-Kronrod quadrature formulae. (English) Zbl 0828.41019 J. Approximation Theory 82, No. 2, 287-303 (1995). MSC: 41A55 PDF BibTeX XML Cite \textit{S. Ehrich}, J. Approx. Theory 82, No. 2, 287--303 (1995; Zbl 0828.41019) Full Text: DOI
Ehrich, S. Gauss-Kronrod quadrature error estimates for analytic functions. (English) Zbl 0806.41018 Z. Angew. Math. Mech. 74, No. 6, T691-T693 (1994). Reviewer: S.Ehrich (Hildesheim) MSC: 41A55 41A80 30E20 33C45 65D32 PDF BibTeX XML Cite \textit{S. Ehrich}, Z. Angew. Math. Mech. 74, No. 6, T691--T693 (1994; Zbl 0806.41018)
Ehrich, Sven Error bounds for Gauss-Kronrod quadrature formulae. (English) Zbl 0790.41020 Math. Comput. 62, No. 205, 295-304 (1994). MSC: 41A55 PDF BibTeX XML Cite \textit{S. Ehrich}, Math. Comput. 62, No. 205, 295--304 (1994; Zbl 0790.41020) Full Text: DOI
Ehrich, S. Einige neue Ergebnisse zu den Fehlerkonstanten der Gauß-Kronrod- Quadraturformel. (German) Zbl 0804.41026 Z. Angew. Math. Mech. 73, No. 7-8, T882-T886 (1993). Reviewer: S.Ehrich MSC: 41A55 65D30 65D32 65G50 PDF BibTeX XML Cite \textit{S. Ehrich}, Z. Angew. Math. Mech. 73, No. 7--8, T882--T886 (1993; Zbl 0804.41026)
Ehrich, Sven On the construction of Gaussian quadrature formulae containing preassigned nodes. (English) Zbl 0799.65024 Brass, H. (ed.) et al., Numerical integration IV. Proceedings of the conference at the Mathematical Research Institute, Oberwolfach, Germany, November 8-14, 1992. Berlin: Birkhäuser. ISNM, Int. Ser. Numer. Math. 112, 67-76 (1993). Reviewer: A.C.Genz (Pullman) MSC: 65D32 41A55 PDF BibTeX XML Cite \textit{S. Ehrich}, ISNM, Int. Ser. Numer. Math. 112, 67--76 (1993; Zbl 0799.65024)