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Numerical experiments with preconditioning by gram matrix approximation for non-linear elliptic equations
Juncu, Gheorghe; Popa, Constantin - In: Mathematics and Computers in Simulation (MATCOM) 52 (2000) 1, pp. 53-71
The paper analyzes the numerical performances of the Gram matrix approximations preconditioning for solving non …
Persistent link: https://www.econbiz.de/10010870173
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Preconditioning by approximations of the Gram matrix for convection–diffusion equations
Juncu, Gh.; Popa, C. - In: Mathematics and Computers in Simulation (MATCOM) 48 (1998) 2, pp. 225-233
The paper analyses the numerical performance of preconditioning with Gram matrix approximations for the solution of a … gradient algorithms: CGS and GMRES. The preconditioning with Gram matrix approximations consists of replacing the solving of …
Persistent link: https://www.econbiz.de/10010749330