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- Stone_method abstract "In numerical analysis, Stone's method, also known as the strongly implicit procedure or SIP, is an algorithm for solving a sparse linear system of equations. The method uses an incomplete LU decomposition, which approximates the exact LU decomposition, to get an iterative solution of the problem. The method is named after Herbert L. Stone, who proposed it in 1968. The LU decomposition is an excellent general purpose linear equation solver. The biggest disadvantage is that it fails to take advantage of coefficient matrix to be a sparse matrix. The LU decomposition of a sparse matrix is usually not sparse, thus, for large system of equations, LU decomposition may require a prohibitive amount of memory and number of arithmetical operations.In the preconditioned iterative methods, if the preconditioner matrix M is a good approximation of coefficient matrix A then the convergence is faster. This brings us to idea of using approximate factorization LU of A as the iteration matrix M.A version of incomplete lower-upper decomposition method was proposed by H. L. Stone in 1968. This method is designed for equation system arising from discretisation of partial differential equations and was firstly used for a pentadiagonal system of equation obtained while solving an elliptic partial differential equation in a two dimensional space by a finite difference method. The LU approximate decomposition was looked in the same pentadiagonal form as the original matrix (three diagonal for L and three diagonals for U) as the best match of the seven possible equations for the five unknowns for the each row of the matrix.".
- Stone_method wikiPageID "4077966".
- Stone_method wikiPageRevisionID "583015157".
- Stone_method hasPhotoCollection Stone_method.
- Stone_method subject Category:Articles_with_example_pseudocode.
- Stone_method subject Category:Numerical_linear_algebra.
- Stone_method comment "In numerical analysis, Stone's method, also known as the strongly implicit procedure or SIP, is an algorithm for solving a sparse linear system of equations. The method uses an incomplete LU decomposition, which approximates the exact LU decomposition, to get an iterative solution of the problem. The method is named after Herbert L. Stone, who proposed it in 1968. The LU decomposition is an excellent general purpose linear equation solver.".
- Stone_method label "Stone method".
- Stone_method sameAs m.0bgyl9.
- Stone_method sameAs Q7619072.
- Stone_method sameAs Q7619072.
- Stone_method wasDerivedFrom Stone_method?oldid=583015157.
- Stone_method isPrimaryTopicOf Stone_method.