Concus, Paul; Golub, Gene H.; O’Leary, Dianne P. A generalized conjugate gradient method for the numerical solution of elliptic partial differential equations. (English) Zbl 0595.65110 MAA Stud. Math. 24, 178-198 (1984). Reprint of the authors’ paper in Sparse Matrix Comput., Proc. Symp. Lemont 1975, 309-332 (1976; Zbl 0344.65047). Cited in 7 Documents MSC: 65N22 Numerical solution of discretized equations for boundary value problems involving PDEs 65F10 Iterative numerical methods for linear systems 65N12 Stability and convergence of numerical methods for boundary value problems involving PDEs 65F05 Direct numerical methods for linear systems and matrix inversion 35J25 Boundary value problems for second-order elliptic equations Keywords:sparse symmetric positive-definite systems of linear equations; optimality; convergence; preconditioned conjugate-gradient method PDF BibTeX XML Cite \textit{P. Concus} et al., MAA Stud. Math. 24, 178--198 (1984; Zbl 0595.65110)