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realisation_som

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realisation_som [2025/05/23 06:48]
216.73.216.190 old revision restored (2025/04/18 19:31)
realisation_som [2025/07/04 09:24] (current)
20.171.207.5 old revision restored (2025/07/04 05:12)
Line 32: Line 32:
 Avec Θ(t) la fonction de voisinage et L(t) le taux d'apprentissage : Avec Θ(t) la fonction de voisinage et L(t) le taux d'apprentissage :
  
-Θ(t) = exp( -dist² / 2σ²(t)) +Θ(t) = exp( -dist² / 2σ²(t)) \\ 
-et +et \\ 
-L(t) = L0 * exp(-t / λ)+L(t) = L0 * exp(-t / λ) \\ 
 + 
 +==== Tests ==== 
 + 
 +J'ai testé l'algorithme décrit au dessus sur un espace vide en deux dimensions. Les données sont choisies aléatoirement en tirant un x et un y tel que x, y [0, 100[ ∈ N. 
 + 
 +{{:vide.png|}} 
 +==== Résultat ==== 
 + 
 +Il y a probablement un petit souci quelque part, les noeuds se collent et partent
realisation_som.1747975711.txt.gz · Last modified: 2025/05/23 06:48 by 216.73.216.190