The recreation of a tridiagonal matrix

DOI10.1016/0041-5553(87)90067-XzbMath0663.65041OpenAlexW2021835243MaRDI QIDQ3813150

I. V. Koshcheeva, Yu. I. Kuznetsov

Publication date: 1987

Published in: USSR Computational Mathematics and Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0041-5553(87)90067-x

zbMATH Keywords

algorithmsinverse problemorthogonal polynomialsLaplace operatorfactorizationVandermonde matrixill- conditionedreconstruction of a tridiagonal matrix

Mathematics Subject Classification ID

Orthogonal polynomials and functions of hypergeometric type (Jacobi, Laguerre, Hermite, Askey scheme, etc.) (33C45) Computation of special functions and constants, construction of tables (65D20) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Numerical solution of discretized equations for boundary value problems involving PDEs (65N22)

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