oai:ojs.vestnmath.dnu.dp.ua:article/292On one method of approximation of continuous periodic functions by trigonometric polynomials.Про один метод наближення неперервних періодичних функцій тригонометричними поліномами
We obtain the conditions under which the exact values of the best relative approximation of classes ...
The article is devoted to approximation of a continuous p-adic function of p-adic argument by spline...
On approximation of two-variable function by linear positive polynomial operators.Про наближення фун...
Trigonometric polynomials that approximate the function in the best way at given set of points.Триго...
In the paper, we have found order asymptotic estimates of approximations, in the strong sense, relat...
We present the generalization of M.I. Chernykh's results about the estimate of the best $$$L_2$$$-ap...
On convergence of trigonometric polynomials of the best mean-square approximation.Про збіжність триг...
We have found the best linear polynomial methods of approximation of continuous periodic functions o...
We have found the best linear polynomial methods of approximation of continuous periodic functions o...
We have found the best linear polynomial methods of approximation of continuous periodic functions o...
We have established the estimation of deviation of continuous $$$2\pi$$$-periodic function $$$f(x)$$...
For a fixed sequence {ап |пі>0 of non-negative real numbers strictly decreasing to zero a absolutely...
We construct the approximate solution and stability map of one set of differential equations with pe...
For a fixed sequence {ап |пі>0 of non-negative real numbers strictly decreasing to zero a absolutely...
Для неперервно диференційовних на сегменті функцій встановлено структуру многочлена найкращого рівно...
We obtain the conditions under which the exact values of the best relative approximation of classes ...
The article is devoted to approximation of a continuous p-adic function of p-adic argument by spline...
On approximation of two-variable function by linear positive polynomial operators.Про наближення фун...
Trigonometric polynomials that approximate the function in the best way at given set of points.Триго...
In the paper, we have found order asymptotic estimates of approximations, in the strong sense, relat...
We present the generalization of M.I. Chernykh's results about the estimate of the best $$$L_2$$$-ap...
On convergence of trigonometric polynomials of the best mean-square approximation.Про збіжність триг...
We have found the best linear polynomial methods of approximation of continuous periodic functions o...
We have found the best linear polynomial methods of approximation of continuous periodic functions o...
We have found the best linear polynomial methods of approximation of continuous periodic functions o...
We have established the estimation of deviation of continuous $$$2\pi$$$-periodic function $$$f(x)$$...
For a fixed sequence {ап |пі>0 of non-negative real numbers strictly decreasing to zero a absolutely...
We construct the approximate solution and stability map of one set of differential equations with pe...
For a fixed sequence {ап |пі>0 of non-negative real numbers strictly decreasing to zero a absolutely...
Для неперервно диференційовних на сегменті функцій встановлено структуру многочлена найкращого рівно...
We obtain the conditions under which the exact values of the best relative approximation of classes ...
The article is devoted to approximation of a continuous p-adic function of p-adic argument by spline...
On approximation of two-variable function by linear positive polynomial operators.Про наближення фун...