normalized explicit approximateinversematrixtechniques for computing explicitly various families of normalizedapproximateinverses based on normalizedapproximate factorization procedures for solving sparse linear...
详细信息
normalized explicit approximateinversematrixtechniques for computing explicitly various families of normalizedapproximateinverses based on normalizedapproximate factorization procedures for solving sparse linear systems, which are derived from the finite difference and finiteelement discretization of partial differential equations are presented. normalized explicit preconditioned conjugate gradient-type schemes in conjunction with normalizedapproximateinversematrixtechniques are presented for the efficient solution of linear and non-linear systems. Theoretical estimates on the rate of convergence and computational complexity of the normalized explicit preconditioned conjugate gradient method are also presented. Applications of the proposed methods on characteristic linear and non-linear problems are discussed and numerical results are given. (C) 2004 Elsevier Ltd. All rights reserved.
normalized explicit approximateinversematrixtechniques for computing explicitly various families of normalizedapproximateinverses based on normalizedapproximate factorization procedures for solving sparse linear...
详细信息
normalized explicit approximateinversematrixtechniques for computing explicitly various families of normalizedapproximateinverses based on normalizedapproximate factorization procedures for solving sparse linear systems, which are derived from the finite difference and finiteelement discretization of partial differential equations are presented. normalized explicit preconditioned conjugate gradient-type schemes in conjunction with normalizedapproximateinversematrixtechniques are presented for the efficient solution of linear and non-linear systems. Theoretical estimates on the rate of convergence and computational complexity of the normalized explicit preconditioned conjugate gradient method are also presented. Applications of the proposed methods on characteristic linear and non-linear problems are discussed and numerical results are given. (C) 2004 Elsevier Ltd. All rights reserved.
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