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Algorithms for the Best Simultaneous Uniform Approximation of a Family of Functions Continuous on a Compact Set by a Chebyshev Subspace

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Abstract

We generalize the cutting-plane method and the Remez method to the case of the problem of the best simultaneous uniform approximation of a family of functions continuous on a compact set.

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REFERENCES

  1. S. I. Zukhovitskii, “On the approximation of real functions in the Chebyshev sense,” Usp. Mat. Nauk, 11, No. 2, 125–159 (1965).

    Google Scholar 

  2. A. L. Garkavi, “On the Chebyshev center and convex hull of a set,” Usp. Mat. Nauk, 19, No. 1, 139–1145 (1964).

    Google Scholar 

  3. E. G. Gol'shtein, Duality Theory in Mathematical Programming and Its Applications [in Russian], Nauka, Moscow (1971).

    Google Scholar 

  4. A. I. Stepanets, Uniform Approximation by Trigonometric Polynomials. Linear Methods [in Russian], Naukova Dumka, Kiev (1981).

    Google Scholar 

  5. A. I. Stepanets and N. M. Sorich, Simultaneous Approximation of Functions and Their Derivatives by Fourier Sums [in Russian], Preprint No. 85.7, Institute of Mathematics, Ukrainian Academy of Sciences, Kiev (1985).

    Google Scholar 

  6. Yu. V. Hnatyuk, “Moment problem with generalized moments from a polyhedron,” in: Nonlinear Boundary-Value Problems in Mathematical Physics and Their Applications [in Ukrainian], Part 2, Institute of Mathematics, Ukrainian Academy of Sciences, Kiev (1996), pp. 25–27.

    Google Scholar 

  7. Yu. V. Hnatyuk and V. O. Hnatyuk, “Best simultaneous uniform approximation of a family of functions continuous on a compact set,” in: Abstracts of the Ukrainian Mathematical Congress–2001, Institute of Mathematics, Ukrainian Academy of Sciences, Kiev (2001), pp. 17–18.

    Google Scholar 

  8. V. K. Dzyadyk, Approximation Methods for Solving Differential and Integral Equations [in Russian], Naukova Dumka, Kiev (1988).

    Google Scholar 

  9. P. S. Malachivskii and R. I. Petrovich, “Application of the Chebyshev approximation to the solution of systems of linear differential equations,” in: “Theory of Approximation of Functions,” Institute of Mathematics, Ukrainian Academy of Sciences, Kiev (1989), p. 103.

    Google Scholar 

  10. E. Ya. Remez, Foundations of Numerical Methods of Chebyshev Approximation [in Russian], Naukova Dumka, Kiev (1969).

    Google Scholar 

  11. P. J. Laurent, Approximation et Optimisation [Russian translation], Mir, Moscow (1975).

    Google Scholar 

  12. V. V. Kovtunets, “Algorithm for the construction of the best approximation of a complex-valued function on a compact set,” in: Some Problems in the Theory of Approximation of Functions and Their Applications [in Russian], Institute of Mathematics, Ukrainian Academy of Sciences, Kiev (1988), pp. 71–78.

    Google Scholar 

  13. V. V. Kovtunets, “Algorithm for the uniform approximation of continuous complex-valued functions by rational functions,” in: “Theory of Approximation of Functions,” Institute of Mathematics, Ukrainian Academy of Sciences, Kiev (1989), p. 103.

    Google Scholar 

  14. V. V. Kovtunets, “An algorithm for best copositive approximation,” in: Abstracts of the Ukrainian Mathematical Congress– 2001, Institute of Mathematics, Ukrainian Academy of Sciences, Kiev (2001), p. 29.

    Google Scholar 

  15. J. E. Kelly, “The ‘cutting plane’ methods for solving convex programs,” SIAM J., 8, No. 4, 703–712 (1960).

    Google Scholar 

  16. D. B. Yudin and E. G. Gol'shtein, Linear Programming. Theory and Finite Methods [in Russian], Fizmatgiz, Moscow (1963).

    Google Scholar 

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Hnatyuk, Y.V. Algorithms for the Best Simultaneous Uniform Approximation of a Family of Functions Continuous on a Compact Set by a Chebyshev Subspace. Ukrainian Mathematical Journal 55, 355–376 (2003). https://doi.org/10.1023/A:1025883526337

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