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Some Notes on Trigonometric Approximation
2011Let us denote by (c[a, b] c[0, 2p]) the space of all real continuous (2p-periodic) functions f provided with the uniform norm \({\parallel{f}\parallel} = {\mathop{\sup}\limits_{x\in[a,b]}}\,|\,f(x)\,|\,\,\,{\left(=\,\,{\mathop{\sup}\limits_{x\in[a,b]}}\,|\,f(x)\,|\right)}.\)
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Sharp Exponential Approximate Inequalities for Trigonometric Functions
Results in Mathematics, 2016zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Simultaneous Trigonometric Approximation
Journal of Mathematics and Physics, 1952Steinberg, R., Redheffer, R. M.
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Interpolation and L1-approximation by trigonometric polynomials and blending functions
Journal of Approximation Theory, 2012Petar P Petrov
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A Levinson--Galerkin Algorithm for Regularized Trigonometric Approximation
SIAM Journal of Scientific Computing, 2000Thomas Strohmer
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