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Ondelettes et analyse numérique - LUTH

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Base d’ondel<strong>et</strong>tes bidimensionnelles<br />

Base orthonormale de W 2<br />

j<br />

ψ 2,1<br />

jk (t) = φjk1 (t1)ψjk2 (t2)<br />

ψ 2,2<br />

jk (t) = ψjk1 (t1)φjk2 (t2)<br />

ψ 2,3<br />

jk (t) = ψjk1 (t1)ψjk2 (t2)<br />

Décomposition d’une fonction<br />

f = <br />

k∈Z 2<br />

cj0kφ 2 j0k +<br />

∞ <br />

j=j0 k∈Z2 3<br />

d<br />

r=1<br />

r j0kψ 2,r<br />

jk<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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