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About 5,380 papers for “Analytic continuation”

Analytic continuation

Ian Stewart, David Tall · Cambridge University Press eBooks · 1983

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Cited by 0

Analytic continuation

Robert Greene, Steven G. Krantz · Graduate studies in mathematics · 2006

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Analytic continuation

M. Lavrent†ev, V. G. Romanov, S. Shishatskii · Translations of mathematical monographs · 1986

Cited by 0

Numerical analytic continuation

Lloyd N. Trefethen · Japan Journal of Industrial and Applied Mathematics · 2023

Abstract Let f be an analytic function on a simply-connected compact continuum E of the complex z -plane. This might be an interval of the real line, where f might be real analytic. How can we calculate good estimates of the analytic continuation of f to other points $$z\in {\mathbb C}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>z</mml:mi><mml:mo>∈</mml:mo><mml:mi>C</mml:mi></mml:mrow></mml:math> ? How can we estimate the locations of real or complex singularities of f ? We review both the theory and the practice of some existing methods for these problems and propose that excellent results can be obtained from the computation of rational approximations of f by the AAA algorithm. In the case of analytic functions of two or more variables, the rational approximations are applied along line segments or other analytic arcs.

Cited by 28Open access