AbstractWeighted best L1-approximation of multivariate continuous real-valued functions by multivariate polynomials is studied. The largest possible dimension of the sets of best L1-approximations is determined
A thorough, self-contained and easily accessible treatment of the theory on the polynomial best appr...
Chebyshev subspaces of L(l(n/1), l(n/1) are studied. A construction of a k-dimensional Chebyshev (n...
We detail the implementation of basic operations on multivariate Chebyshev approximations. In most c...
AbstractWeighted L1-approximation of continuous multivariate real-valued functions by finite-dimensi...
AbstractA set of results concerning goodness of approximation and convergence in norm is given for L...
AbstractWeighted L1-approximation of continuous multivariate real-valued functions by finite-dimensi...
We apply the methods of nonsmooth and convex analysis to extend the study of Chebyshev (uniform) app...
AbstractA set of results concerning goodness of approximation and convergence in norm is given for L...
AbstractIn this paper we discuss the best Chebyshev approximation of continuous real or complex valu...
The set of all first degree polynomials must be added to the set of approximations of the form a + b...
AbstractThe best Chebyshev approximation of degree n to a continuous function f on [0, 1] is the uni...
AbstractIn this research paper using the Chebyshev expansion, we explicitly determine the best unifo...
AbstractBest approximation in the sense of Chebyshev is not always unique for γ-polynomials. In this...
The expansion of a real or complex function in a series of Chebyshev polynomials of the first and se...
By considering four kinds of Chebyshev polynomials, an extended set of (real) results are given for ...
A thorough, self-contained and easily accessible treatment of the theory on the polynomial best appr...
Chebyshev subspaces of L(l(n/1), l(n/1) are studied. A construction of a k-dimensional Chebyshev (n...
We detail the implementation of basic operations on multivariate Chebyshev approximations. In most c...
AbstractWeighted L1-approximation of continuous multivariate real-valued functions by finite-dimensi...
AbstractA set of results concerning goodness of approximation and convergence in norm is given for L...
AbstractWeighted L1-approximation of continuous multivariate real-valued functions by finite-dimensi...
We apply the methods of nonsmooth and convex analysis to extend the study of Chebyshev (uniform) app...
AbstractA set of results concerning goodness of approximation and convergence in norm is given for L...
AbstractIn this paper we discuss the best Chebyshev approximation of continuous real or complex valu...
The set of all first degree polynomials must be added to the set of approximations of the form a + b...
AbstractThe best Chebyshev approximation of degree n to a continuous function f on [0, 1] is the uni...
AbstractIn this research paper using the Chebyshev expansion, we explicitly determine the best unifo...
AbstractBest approximation in the sense of Chebyshev is not always unique for γ-polynomials. In this...
The expansion of a real or complex function in a series of Chebyshev polynomials of the first and se...
By considering four kinds of Chebyshev polynomials, an extended set of (real) results are given for ...
A thorough, self-contained and easily accessible treatment of the theory on the polynomial best appr...
Chebyshev subspaces of L(l(n/1), l(n/1) are studied. A construction of a k-dimensional Chebyshev (n...
We detail the implementation of basic operations on multivariate Chebyshev approximations. In most c...