la seconde partie de ce chapitre, on a montré que les deux propriétés théoriques importantes, démontrées dans le cas direct, se transposaientàtransposaient`transposaientà l'approche par projection. On a en effet vu dans la section 6.3, que le perceptron multi-couches fonctionnel, basé sur uné etape de projectionétaitprojectionétait un approximateur universel. De plus, on a montré dans les sections 6.4.1 et 6.4.2 que l'estimation de ses paramètresparamètresétait consistante dans le cas d'une connaissance parfaite des fonctions d'entrée, comme dans le cas d'une connaissance empirique. On voit donc que d'un point de vue théorique ,
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