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Cours 4: Existence de solution Condition nécessaire ... - Enseeiht

Cours 4: Existence de solution Condition nécessaire ... - Enseeiht

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λ<br />

Itération 2<br />

Plan<br />

Dérivée secon<strong>de</strong> et convexité<br />

<strong>Existence</strong> <strong>de</strong> <strong>solution</strong><br />

<strong>Condition</strong> nécessaire, condition suffisante<br />

Algorithmes<br />

algorithme <strong>de</strong> Newton<br />

Problème <strong>de</strong> datation du Carbone 14<br />

Algorithme <strong>de</strong> Gauss-Newton<br />

Modèle <strong>de</strong> Kaplan<br />

16<br />

x 10 −4 A 0<br />

14<br />

12<br />

2<br />

10<br />

8<br />

6<br />

1<br />

o point <strong>de</strong> départ<br />

4<br />

2<br />

0<br />

0 1000 2000 3000 4000 5000 6000 7000<br />

0<br />

9 10 11 12 13 14 15 16 17 18 19 20<br />

o<br />

Fig.: Algorithme <strong>de</strong> Newton pour le carbone 14 β 0 = (10,0.0001)<br />

<strong>Cours</strong> 4 22/ 34

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