itergp.methods.preconditioners¶
Preconditioners for linear systems.
Preconditioning accelerates and stabilizes the solution of linear systems. A preconditioner \(P\) is an approximation of a matrix \(A\) such that the condition number of the matrix \(P^{-1}A\) is lower than that of the original matrix.
Classes¶
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Diagonal-plus-low-rank preconditioner. |