This is a preview. Log in through your library . Abstract We analyze the convergence of an extended Krylov subspace method for the approximation of operator functions that appear in exponential ...
Some algorithms based upon a projection process onto the Krylov subspace $K_m = \operatorname{Span}(r_0, Ar_0, \ldots, A^{m - 1}r_0)$ are developed, generalizing the ...
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