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Sufficient conditions for existence and uniqueness of a Chebyshev center of a nonempty bounded set in a geodesic spaceWe obtain sufficient conditions for existence and uniqueness of a Chebyshev center of a nonempty

PSEUDOSPECTRAL METHOD FOR SECOND-ORDER AUTONOMOUS NONLINEAR DIFFERENTIAL EQUATIONS on the Chebyshev differentiation matrix with Chebyshev-Gauss-Lobatto points to solve these problems. Moreover, we

Numerical solution of first-order exact differential equations by the integrating factor method on the efficient calculation of integrating factors and on a ''new'' numerical method for integrating functions

Local Lipschitz property for the Chebyshev center mapping over N-nets Chebyshev center. If dimension of Euclidean or Lobachevsky space is greater than 1 and the net consists

ANALYSIS AND SYNTHESIS OF THE CHEBYSHEV POLYNOMIALS IN THE REGRESSION ANALYSIS PROBLEMS orthogonal polynomials, or the Chebyshev polynomials, aimed to improve stability of approximated regression

ПСЕВДОСПЕКТРАЛЬНЫЙ МЕТОД В ПРИЛОЖЕНИИ К РЕШЕНИЮ ДИФФЕРЕНЦИАЛЬНОГО УРАВНЕНИЯ БЕССЕЛЯChebyshev

Local Lipschitz property for the Chebyshev center mapping over N-nets Chebyshev center. If dimension of Euclidean or Lobachevsky space is greater than 1 and the net consists

Решение начально-граничной задачи теплопроводности методом чебышевской коллокации the original problem into two subproblems, each of which is solved using the Chebyshev collocation method.

Chebyshev Pseudospectral Method Computing Eigenvalues for Ordinary Differential Equations with Homogeneous Dirichlet Boundary Condition condition was considered. The Chebyshev pseudospectral method (CPM) was used for the problem of eigenvalues

On the uniform convergence of the method of waveletquadratures for the solution of a singular integral equation of the first kind, based on the approximation of the unknown function by Chebyshev wavelets of the second kind and using

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