scientific article; zbMATH DE number 3251556

zbMath0156.29102MaRDI QIDQ5536397

Xinghua Wang

Publication date: 1964

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

approximation and series expansion

Mathematics Subject Classification ID

Approximations and expansions (41Axx)

Related Items (5)

An exact constant on the estimation of the approximation of classes of periodic functions of two variables by Ceśaro means ⋮ On exact constants for matrix summation methods ⋮ Exact constants in estimates of approximation of Lipschitz classes of periodic functions by Cesàro means ⋮ Approximation of continuous periodic functions of one or two variables by Rogozinski polynomials of interpolation type ⋮ An exact constant on the estimation of the approximation error of classes of differentiable functions by the second-order Cesaro means

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