The use of preconditioned iterative methods to solve a system of equations with a Toeplitz-plus-Hankel coefficient matrix is studied. A new preconditioner suitable for Toeplitz-plus-Hankel matrices is ...
In [37], we proposed an iterative polynomial approximation (i-gPC) in the frame work of stochastic Galerkin-based spectral projection methods in order to improve a posteriori the convergence of ...
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