12.07.2015 Views

Algoritmi per l'interpolazione polinomiale Implementazione MATLAB

Algoritmi per l'interpolazione polinomiale Implementazione MATLAB

Algoritmi per l'interpolazione polinomiale Implementazione MATLAB

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INDICE 1Indice1 Il problema dell’interpolazione 21.1 Il caso generale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Interpolazione <strong>polinomiale</strong> 32.1 canonical.m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42.2 pointinteractive.m . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Rappresentazione del polinomio interpolante 53.1 Forma di Lagrange . . . . . . . . . . . . . . . . . . . . . . . . . . . 63.2 lagrix.m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63.3 lagrange.m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73.4 Formula di Neville . . . . . . . . . . . . . . . . . . . . . . . . . . . 73.5 neville.m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83.6 Formula di Newton . . . . . . . . . . . . . . . . . . . . . . . . . . . 83.7 newton.m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Posizionamento dei nodi 104.1 Nodi di Chebychev . . . . . . . . . . . . . . . . . . . . . . . . . . . 104.2 cheby.m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 Interpolazione 2d 125.1 lag2d.m e newnev2d.m . . . . . . . . . . . . . . . . . . . . . . . . . 13

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