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zbMath0438.65023MaRDI QIDQ3880180

Eduardo L. Ortiz

Publication date: 1977

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

projectors best approximation several variables best uniform approximation Lebesgue's inequality numerical solution of partial differential equations method of condensation polynomial condensation backward recurrence evaluation schemes coarsening of interval polynomials computer approximations of analytic functions estimation of extremal points

Mathematics Subject Classification ID

Analysis of algorithms and problem complexity (68Q25) Best approximation, Chebyshev systems (41A50) Computation of special functions and constants, construction of tables (65D20) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Approximation by polynomials (41A10) Algorithms for approximation of functions (65D15)

Related Items (1)

Numerical solution of partial differential equations with variable coefficients with an operational approach to the Tau method

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