McCoy, Peter A. Polynomial approximation of generalized biaxisymmetric potentials. (English) Zbl 0462.41002 J. Approximation Theory 25, 153-168 (1979). MSC: 41A10 41A25 31B30 34B15 PDFBibTeX XMLCite \textit{P. A. McCoy}, J. Approx. Theory 25, 153--168 (1979; Zbl 0462.41002) Full Text: DOI
Grundmann, Axel Saturation theorems for Bernstein polynomials in Banach subspaces of \(c(\mathbb{I},\mathbb{R})\). (English) Zbl 0435.41020 J. Approximation Theory 25, 193-200 (1979). MSC: 41A65 41A40 PDFBibTeX XMLCite \textit{A. Grundmann}, J. Approx. Theory 25, 193--200 (1979; Zbl 0435.41020) Full Text: DOI
Gilbert, R. P.; Schneider, M. On a class of boundary value problems for a composite system of first order differential equations. (English) Zbl 0434.34011 J. Approximation Theory 25, 105-119 (1979). MSC: 34B05 PDFBibTeX XMLCite \textit{R. P. Gilbert} and \textit{M. Schneider}, J. Approx. Theory 25, 105--119 (1979; Zbl 0434.34011) Full Text: DOI
Zielke, Roland Einige Eigenschaften schwacher Tschebyscheff-Systeme. (German) Zbl 0427.41020 J. Approximation Theory 25, 384-392 (1979). MSC: 41A65 41A30 41A50 PDFBibTeX XMLCite \textit{R. Zielke}, J. Approx. Theory 25, 384--392 (1979; Zbl 0427.41020) Full Text: DOI
Groetsch, C. W.; King, J. T. Extrapolation and the method of regularization for generalized inverses. (English) Zbl 0425.41029 J. Approximation Theory 25, 233-247 (1979). MSC: 41A65 41A36 PDFBibTeX XMLCite \textit{C. W. Groetsch} and \textit{J. T. King}, J. Approx. Theory 25, 233--247 (1979; Zbl 0425.41029) Full Text: DOI
Sternfeld, Y. Superpositions of continuous functions. (English) Zbl 0424.46020 J. Approximation Theory 25, 360-368 (1979). MSC: 46E15 28C05 46E27 28A33 PDFBibTeX XMLCite \textit{Y. Sternfeld}, J. Approx. Theory 25, 360--368 (1979; Zbl 0424.46020) Full Text: DOI
Coray, Chris; Heal, E. R. On positive functions in Haar spaces. (English) Zbl 0424.41031 J. Approximation Theory 25, 201-203 (1979). MSC: 41A65 41A50 PDFBibTeX XMLCite \textit{C. Coray} and \textit{E. R. Heal}, J. Approx. Theory 25, 201--203 (1979; Zbl 0424.41031) Full Text: DOI
Fletcher, Yates; Roulier, John A. Approximation of functions with a positive derivative. (English) Zbl 0424.41003 J. Approximation Theory 25, 50-55 (1979). MSC: 41A10 41A50 41A52 41A25 PDFBibTeX XMLCite \textit{Y. Fletcher} and \textit{J. A. Roulier}, J. Approx. Theory 25, 50--55 (1979; Zbl 0424.41003) Full Text: DOI
Mach, Jaroslav On the existence of best simultaneous approximation. (English) Zbl 0422.41022 J. Approximation Theory 25, 258-265 (1979). MSC: 41A45 41A28 41A50 41A65 PDFBibTeX XMLCite \textit{J. Mach}, J. Approx. Theory 25, 258--265 (1979; Zbl 0422.41022) Full Text: DOI
Swetits, J. J. On summability and positive linear operators. (English) Zbl 0422.41019 J. Approximation Theory 25, 186-188 (1979). MSC: 41A36 PDFBibTeX XMLCite \textit{J. J. Swetits}, J. Approx. Theory 25, 186--188 (1979; Zbl 0422.41019) Full Text: DOI
Bennett, Colin; Rudnick, Karl; Vaaler, Jeffrey D. Best uniform approximation by linear fractional transformations. (English) Zbl 0421.41015 J. Approximation Theory 25, 204-224 (1979). MSC: 41A50 41A25 41A20 PDFBibTeX XMLCite \textit{C. Bennett} et al., J. Approx. Theory 25, 204--224 (1979; Zbl 0421.41015) Full Text: DOI
Stockenberg, Bernd Weak Tchebyshev-spaces and generalizations of a theorem by Krein. (English) Zbl 0419.41024 J. Approximation Theory 25, 225-232 (1979). MSC: 41A65 41A50 PDFBibTeX XMLCite \textit{B. Stockenberg}, J. Approx. Theory 25, 225--232 (1979; Zbl 0419.41024) Full Text: DOI
Newman, D. J. Efficient co-monotone approximation. (English) Zbl 0419.41013 J. Approximation Theory 25, 189-192 (1979). MSC: 41A25 41A10 42A10 41A29 PDFBibTeX XMLCite \textit{D. J. Newman}, J. Approx. Theory 25, 189--192 (1979; Zbl 0419.41013) Full Text: DOI
Nevai, Paul G. On orthogonal polynomials. (English) Zbl 0419.33005 J. Approximation Theory 25, 34-37 (1979). MSC: 33C45 42C05 PDFBibTeX XMLCite \textit{P. G. Nevai}, J. Approx. Theory 25, 34--37 (1979; Zbl 0419.33005) Full Text: DOI
Mychelski, Jan Linear dynamic approximation theory. (English) Zbl 0417.41016 J. Approximation Theory 25, 369-383 (1979). MSC: 41A65 68T05 PDFBibTeX XMLCite \textit{J. Mychelski}, J. Approx. Theory 25, 369--383 (1979; Zbl 0417.41016) Full Text: DOI
Stieglitz, Michael Beste Quadraturformeln für Inzidenzmatrizen ohne ungerade gestützte Sequenzen. (German) Zbl 0417.41015 J. Approximation Theory 25, 176-185 (1979). MSC: 41A55 41A25 65D32 PDFBibTeX XMLCite \textit{M. Stieglitz}, J. Approx. Theory 25, 176--185 (1979; Zbl 0417.41015) Full Text: DOI
Pence, Dennis D. Hermite-Birkhoff interpolation and monotone approximation by splines. (English) Zbl 0417.41003 J. Approximation Theory 25, 248-257 (1979). MSC: 41A05 41A15 41A50 PDFBibTeX XMLCite \textit{D. D. Pence}, J. Approx. Theory 25, 248--257 (1979; Zbl 0417.41003) Full Text: DOI
Lyche, T.; Winther, R. A stable recurrence relation for trigonometric B-splines. (English) Zbl 0414.41005 J. Approximation Theory 25, 266-279 (1979). MSC: 41A15 65D07 42A05 PDFBibTeX XMLCite \textit{T. Lyche} and \textit{R. Winther}, J. Approx. Theory 25, 266--279 (1979; Zbl 0414.41005) Full Text: DOI
Glashoff, K.; Schultz, R. Über die genaue Berechnung von besten \(L^1\)-Approximierenden. (German) Zbl 0413.65009 J. Approximation Theory 25, 280-293 (1979). MSC: 65D15 65D10 41A50 41A46 PDFBibTeX XMLCite \textit{K. Glashoff} and \textit{R. Schultz}, J. Approx. Theory 25, 280--293 (1979; Zbl 0413.65009) Full Text: DOI
Luki, Yudell L.; Barker, G. P. On asymptotic expansions for functions of matrix argument. (English) Zbl 0413.41016 J. Approximation Theory 25, 93-104 (1979). MSC: 41A60 PDFBibTeX XMLCite \textit{Y. L. Luki} and \textit{G. P. Barker}, J. Approx. Theory 25, 93--104 (1979; Zbl 0413.41016) Full Text: DOI
Warth, Wolfgang On the uniqueness of best uniform approximations in the presence of constraints. (English) Zbl 0413.41014 J. Approximation Theory 25, 1-11 (1979). MSC: 41A52 41A29 PDFBibTeX XMLCite \textit{W. Warth}, J. Approx. Theory 25, 1--11 (1979; Zbl 0413.41014) Full Text: DOI
Shah, S. M. Chebyshev approximation constants related to entire functions of perfectly regular growth. (English) Zbl 0412.41008 J. Approximation Theory 25, 12-20 (1979). MSC: 41A20 30E10 41A50 PDFBibTeX XMLCite \textit{S. M. Shah}, J. Approx. Theory 25, 12--20 (1979; Zbl 0412.41008) Full Text: DOI
De Boor, Carl; Rice, John R. An adaptive algorithm for multivariate approximation giving optimal convergence rates. (English) Zbl 0411.41008 J. Approximation Theory 25, 337-359 (1979). MSC: 41A55 41A15 65D32 41A25 41A10 PDFBibTeX XMLCite \textit{C. De Boor} and \textit{J. R. Rice}, J. Approx. Theory 25, 337--359 (1979; Zbl 0411.41008) Full Text: DOI
Reddy, A. R. A note on rational approximation to \((1-x)^{1/2}\). (English) Zbl 0411.41002 J. Approximation Theory 25, 31-33 (1979). MSC: 41A20 41A25 PDFBibTeX XMLCite \textit{A. R. Reddy}, J. Approx. Theory 25, 31--33 (1979; Zbl 0411.41002) Full Text: DOI
Athavale, Manohar L.; Wahba, Grace Determination of an optimal mesh for a collocation-projection method for solving two-point boundary value problems. (English) Zbl 0409.65036 J. Approximation Theory 25, 38-49 (1979). MSC: 65L10 34B05 65J10 62C12 62L20 PDFBibTeX XMLCite \textit{M. L. Athavale} and \textit{G. Wahba}, J. Approx. Theory 25, 38--49 (1979; Zbl 0409.65036) Full Text: DOI
Kimchi, E.; Richter-Dyn, N. A necessary condition for best approximation in monotone and sign- monotone norms. (English) Zbl 0408.41014 J. Approximation Theory 25, 169-175 (1979). MSC: 41A50 41A65 PDFBibTeX XMLCite \textit{E. Kimchi} and \textit{N. Richter-Dyn}, J. Approx. Theory 25, 169--175 (1979; Zbl 0408.41014) Full Text: DOI
Aronsson, Gunnar Perfect splines and nonlinear optimal control theory. (English) Zbl 0408.41005 J. Approximation Theory 25, 142-152 (1979). MSC: 41A15 49K15 PDFBibTeX XMLCite \textit{G. Aronsson}, J. Approx. Theory 25, 142--152 (1979; Zbl 0408.41005) Full Text: DOI
Smarzewski, Ryszard Nonlinear Chebyshev approximations having restricted ranges. (English) Zbl 0406.41018 J. Approximation Theory 25, 56-64 (1979). MSC: 41A50 41A29 41A65 PDFBibTeX XMLCite \textit{R. Smarzewski}, J. Approx. Theory 25, 56--64 (1979; Zbl 0406.41018) Full Text: DOI
Bownds, John M.; Wood, Bruce A smoothed projection method for singular, nonlinear Volterra equations. (English) Zbl 0405.45008 J. Approximation Theory 25, 120-141 (1979). MSC: 45L05 45D05 45G10 45G05 PDFBibTeX XMLCite \textit{J. M. Bownds} and \textit{B. Wood}, J. Approx. Theory 25, 120--141 (1979; Zbl 0405.45008) Full Text: DOI
Brezinski, C. Rational approximation to formal power series. (English) Zbl 0401.41013 J. Approximation Theory 25, 295-317 (1979). MSC: 41A20 30B10 PDFBibTeX XMLCite \textit{C. Brezinski}, J. Approx. Theory 25, 295--317 (1979; Zbl 0401.41013) Full Text: DOI
Nielson, Gregory M. The side-vertex method for interpolation in triangles. (English) Zbl 0401.41005 J. Approximation Theory 25, 318-336 (1979). MSC: 41A05 PDFBibTeX XMLCite \textit{G. M. Nielson}, J. Approx. Theory 25, 318--336 (1979; Zbl 0401.41005) Full Text: DOI
Singh, S. P. An application of a fixed-point theorem to approximation theory. (English) Zbl 0399.41032 J. Approximation Theory 25, 89-90 (1979). MSC: 41A65 41A50 47A65 47H10 PDFBibTeX XMLCite \textit{S. P. Singh}, J. Approx. Theory 25, 89--90 (1979; Zbl 0399.41032) Full Text: DOI
Meyer, W. Weston; Thomas, Donald H. Erratum: Variations on a theme by Schoenberg. (English) Zbl 0398.41008 J. Approximation Theory 25, 91 (1979). MSC: 41A15 41A10 PDFBibTeX XMLCite \textit{W. W. Meyer} and \textit{D. H. Thomas}, J. Approx. Theory 25, 91 (1979; Zbl 0398.41008) Full Text: DOI
McGlinn, Robert J. Approximation by exponential sums on discrete and continuous domains. (English) Zbl 0397.41008 J. Approximation Theory 25, 65-88 (1979). MSC: 41A30 PDFBibTeX XMLCite \textit{R. J. McGlinn}, J. Approx. Theory 25, 65--88 (1979; Zbl 0397.41008) Full Text: DOI
Newman, D. J.; Reddy, A. R. Rational approximation to \(e^x\) and to related functions. (English) Zbl 0397.41005 J. Approximation Theory 25, 21-30 (1979). MSC: 41A20 41A25 PDFBibTeX XMLCite \textit{D. J. Newman} and \textit{A. R. Reddy}, J. Approx. Theory 25, 21--30 (1979; Zbl 0397.41005) Full Text: DOI