Abstract
New deferred correction methods for the numerical solution of initial value problems in ordinary differential equations have recently been introduced by Dutt, Greengard and Rokhlin. A convergence proof is presented for these methods, based on the abstract Stetter–Lindberg–Skeel framework and Spijker-type norms. It is shown that p corrections of an order- r one-step solver yield order- r ( p + 1 ) accuracy.
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