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Ondelettes et analyse numérique - LUTH

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Multirésolution bidimensionnelle<br />

Produit tensoriel des espaces Vj<br />

V 2<br />

j = Vj ⊗ Vj<br />

φ 2 jk(t) = φjk1 (t1)φjk2 (t2), avec k = (k1, k2), t = (t1, t2)<br />

Espace W 2<br />

j<br />

{φ 2 jk} k∈Z 2 est une base orthonormale de V 2<br />

j<br />

V 2<br />

j+1 = Vj+1 ⊗ Vj+1<br />

= (Vj ⊕ Wj) ⊗ (Vj ⊕ Wj)<br />

= (Vj ⊗ Vj)<br />

⊕ (Vj ⊗ Wj) ⊕ (Wj ⊗ Vj) ⊕ (Wj ⊗ Wj)<br />

<br />

V 2<br />

j+1 = V 2<br />

j ⊕ W 2<br />

j<br />

<strong>Ondel<strong>et</strong>tes</strong> <strong>et</strong><br />

<strong>analyse</strong> <strong>numérique</strong><br />

J. Houdayer<br />

Introduction<br />

Bases d’ondel<strong>et</strong>tes<br />

Convergence <strong>et</strong><br />

approximation<br />

D’autres espaces<br />

<strong>Ondel<strong>et</strong>tes</strong><br />

multidimensionnelles<br />

Bords<br />

Espaces de Sobolev<br />

Calcul<br />

Zoologie des<br />

ondel<strong>et</strong>tes<br />

Autres applications

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