AbstractIt is shown that best Chebyshev approximations by exponential-polynomial sums are characterized by (a variable number of) alternations of their error curve and are unique. Computation of best approximations via the Remez algorithm and Barrodale approach is considered
AbstractSums of exponentials are known to have unpleasant topological and analytical properties. By ...
In this presentation we consider the best uniform approximation of the \u22checkmark function\u22 |x...
AbstractIn this paper we discuss the best Chebyshev approximation of continuous real or complex valu...
AbstractIt is shown that best Chebyshev approximations by exponential-polynomial sums are characteri...
AbstractThe local behavior of the Chebyshev operator of best approximation from a curve of functions...
AbstractChebyshev approximation on an interval and on its closed subsets by a non-linear family with...
The Chebyshev approximation problem is usually described as to find the polynomial (or the element o...
AbstractAlternation based algorithms (e.g., Remez' 2nd algorithm) for best Chebyshev approximation d...
AbstractIn the real uniform approximation of the function xmyn by the space of bivariate polynomials...
The set of all first degree polynomials must be added to the set of approximations of the form a + b...
AbstractBest approximation in the sense of Chebyshev is not always unique for γ-polynomials. In this...
AbstractFor approximating functions with an alternating characterization of best Chebyshev approxima...
AbstractSome rational approximations which share the properties of Padé and best uniform approximati...
AbstractThis paper is concerned with the problem of nonlinear simultaneous Chebyshev approximation i...
AbstractA set of results concerning goodness of approximation and convergence in norm is given for L...
AbstractSums of exponentials are known to have unpleasant topological and analytical properties. By ...
In this presentation we consider the best uniform approximation of the \u22checkmark function\u22 |x...
AbstractIn this paper we discuss the best Chebyshev approximation of continuous real or complex valu...
AbstractIt is shown that best Chebyshev approximations by exponential-polynomial sums are characteri...
AbstractThe local behavior of the Chebyshev operator of best approximation from a curve of functions...
AbstractChebyshev approximation on an interval and on its closed subsets by a non-linear family with...
The Chebyshev approximation problem is usually described as to find the polynomial (or the element o...
AbstractAlternation based algorithms (e.g., Remez' 2nd algorithm) for best Chebyshev approximation d...
AbstractIn the real uniform approximation of the function xmyn by the space of bivariate polynomials...
The set of all first degree polynomials must be added to the set of approximations of the form a + b...
AbstractBest approximation in the sense of Chebyshev is not always unique for γ-polynomials. In this...
AbstractFor approximating functions with an alternating characterization of best Chebyshev approxima...
AbstractSome rational approximations which share the properties of Padé and best uniform approximati...
AbstractThis paper is concerned with the problem of nonlinear simultaneous Chebyshev approximation i...
AbstractA set of results concerning goodness of approximation and convergence in norm is given for L...
AbstractSums of exponentials are known to have unpleasant topological and analytical properties. By ...
In this presentation we consider the best uniform approximation of the \u22checkmark function\u22 |x...
AbstractIn this paper we discuss the best Chebyshev approximation of continuous real or complex valu...
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