Geodesic
Approximation of Continuous Functions by Broken Lines with Constraints on the Angles between Adjacent Segments
Matematičeskie zametki, Tome 94 (2013) no. 6, pp. 806-818

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The problem of best uniform approximation of a function continuous on an interval by piecewise linear continuous functions with fixed nodes and constraints on the angle between adjacent segments is considered.
Keywords: best approximation element, continuous functions, uniform approximation.
Mots-clés : alternance criterion 
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     author = {N. D. Baraboshkin},
     title = {Approximation of {Continuous} {Functions} by {Broken} {Lines} with {Constraints} on the {Angles} between {Adjacent} {Segments}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {806--818},
     publisher = {mathdoc},
     volume = {94},
     number = {6},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2013_94_6_a1/}
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N. D. Baraboshkin. Approximation of Continuous Functions by Broken Lines with Constraints on the Angles between Adjacent Segments. Matematičeskie zametki, Tome 94 (2013) no. 6, pp. 806-818. http://geodesic.mathdoc.fr/item/MZM_2013_94_6_a1/