Existence of best approximations by exponential sums in several independent variables

DOI10.1016/0021-9045(74)90026-4zbMath0274.41020OpenAlexW2039922520MaRDI QIDQ2265124

David W. Kammler

Publication date: 1974

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0021-9045(74)90026-4

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by arbitrary linear expressions (41A45)

Related Items (1)

Existence of good and best approximation on unbounded domains by exponential sums in several independent variables

Cites Work

• Existence of best approximations by sums of exponentials
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