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This category marks all the ICTP posts containing the pdf file of the paper/book.

On the efficiency of the computations for approximating the solutions of equations

8 years ago

Abstract We consider the iterative methods for solving nonlinear equations in \(\mathbb{R}\) and the class of iterative methods obtained by…

On some interpolatory iterative methods for the second degree polynomial operators (I)

8 years ago

Abstract In this note we consider the chord (secant) method and the Steffensen method for solving polynomial operators of degree…

On an approximation formula

8 years ago

Abstract We generalize an approximation formula which in some particular cases has been studied by [J.F. Traub 1964] and \…

On some interpolatory iterative methods for the second degree polynomial operators (II)

8 years ago

Abstract In this paper we apply some iterative methods obtained by inverse interpolation, in order to solve some specific classes…

On the convergence order of the iterative methods

8 years ago

Abstract We study the connection between the convergence order of two sequences. We show that the exist sequences that do…

Remarks on some Newton and Chebyshev-type methods for approximation eigenvalues and eigenvectors of matrices

8 years ago

Abstract We consider a square matrix \(A\) with real or complex elements. We denote \(\mathbb{K}=\mathbb{R}\) or \(\mathbb{C}\) and we are…

Optimal algorithms concerning the solving of equations by interpolation

8 years ago

Abstract In this paper we approach two aspects concerning the optimality problems arising from the consideration of the iterative methods for…

Remarks on the secant method for the solution of nonlinear operator equations

8 years ago

Abstract Let \(X_{1},X_{2}\) be two Banach spaces and \(f:X_{1}\rightarrow X_{2}\) a nonlinear equation. We study the chord method for solving…

On the convergency of a Steffensen-type method

8 years ago

Abstract Let \(X_{1},X_{2}\) be two Banach spaces, \(f:X_{1}\rightarrow X_{2}\) a nonlinear mapping. We study the convergence of the Steffensen method for…

On the chord method

8 years ago

Abstract Let \(X_{1},X_{2}\) be two Banach spaces, \(f:X_{1}\rightarrow X_{2}\) a nonlinear mapping and consider the chord method for solving the…

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