Zur Rationalen Approximation von e-x auf [0,infinity]

DOI10.1016/0021-9045(80)90003-9zbMath0493.41016OpenAlexW2014980967MaRDI QIDQ1168515

Dietrich Braess, Hans-Peter Blatt

Publication date: 1980

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

Full work available at URL: https://doi.org/10.1016/0021-9045(80)90003-9

zbMATH Keywords

exponential function

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by rational functions (41A20) Rate of convergence, degree of approximation (41A25)

Related Items (4)

Extremal rational functions on symmetric discrete sets and superlinear convergence of the ADI method ⋮ The size of \(\{x: r'_ n | r_ n\geq 1\}\) and lower bounds for \(\| e^{-x} - r_ n\|\) ⋮ Approximative compactness and continuity of metric projector in Banach spaces and applications ⋮ Piecewise Padé-approximation of \(e^{-x}\) on \([0,\infty)\).

Cites Work

• Zur rationalen Approximierbarkeit von \(e^{-x}\) über \([0, \infty)\)
• Chebyshev rational approximations to \(e^{-x}\) in \([0,+\infty)\) and applications to heat-conduction problems
• Rational Approximation to e -x . II
• Rational approximation to \(e^{-x}\)

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