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Culegere de probleme de Analiz˘a numeric˘a

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CUPRINS iii<br />

6.4 Interpolare Birkhoff . . . . . . . . . . . . . . . . . . . . . . . . . 91<br />

6.5 Interpolare rat¸ională . . . . . . . . . . . . . . . . . . . . . . . . . 93<br />

6.6 Interpolare spline . . . . . . . . . . . . . . . . . . . . . . . . . . 96<br />

7 Aproximări în medie pătratică 103<br />

8 Operatori liniari s¸i pozitivi 110<br />

8.1 Operatorul lui Bernstein . . . . . . . . . . . . . . . . . . . . . . 110<br />

8.2 B-spline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114<br />

8.3 Alt¸i operatori liniari s¸i pozitivi . . . . . . . . . . . . . . . . . . . 119<br />

9 Aproximarea funct¸ionalelor liniare 122<br />

9.1 Derivare numerică . . . . . . . . . . . . . . . . . . . . . . . . . . 122<br />

9.2 Formule <strong>de</strong> integrare numerică <strong>de</strong> tip Newton-Cotes . . . . . . . . 127<br />

9.2.1 Formule Newton-Cotes închise . . . . . . . . . . . . . . . 127<br />

9.2.2 Formule Newton-Cotes <strong>de</strong>schise . . . . . . . . . . . . . . 130<br />

9.3 Alte formule <strong>de</strong> tip interpolator . . . . . . . . . . . . . . . . . . . 132<br />

9.4 Cuadraturi repetate. Metoda lui Romberg . . . . . . . . . . . . . 141<br />

9.5 Formule <strong>de</strong> cuadratură <strong>de</strong> tip Gauss . . . . . . . . . . . . . . . . 142<br />

10 Ecuat¸ii neliniare 151<br />

10.1 Ecuat¸ii înR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151<br />

10.2 Sisteme neliniare . . . . . . . . . . . . . . . . . . . . . . . . . . 161<br />

11 Rezolvarea numerică ecuat¸iilor diferent¸iale 164

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