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Stability of Conjugate Gradient and Lanczos Methods for Linear Least Squares Problems

✍ Scribed by Björck, Åke; Elfving, Tommy; Strakos, Zdenek


Book ID
118216200
Publisher
Society for Industrial and Applied Mathematics
Year
1998
Tongue
English
Weight
175 KB
Volume
19
Category
Article
ISSN
0895-4798

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Parallel conjugate gradient performance
✍ G. F. Carey; Y. Shen; R. T. McLay 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 197 KB 👁 2 views

In this study we consider parallel conjugate gradient solution of sparse systems arising from the least-squares mixed finite element method. Of particular interest are transport problems involving convection. The least-squares approach leads to a symmetric positive system and the conjugate gradient