File:Exemple de noyau d'invariance.png
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DescriptionExemple de noyau d'invariance.png |
Français : Le noyau d'invariance de l'ensemble de contraintes K rassemble les états à partir desquels toutes les trajectoires gouvernées par la dynamique restent dans K. La figure montre la trajectoire issue de A et la trajectoire issue de B (qui sort de K), B n'étant pas dans le noyau. La dynamique modélise l'eutrophisation d'un lac par une pseudo-sigmoïde avec les paramètres b=1,95 ; q=1,9 ; r=260/v ; m= 70/v avec v= 3,9 (volume du lac en milliards de m³)
English: The invariance kernel of K under dynamics S gathers the states of K from which all evolutions governed by S remain in K. Trajectory from state A stays in K. Trajectory from state B leaves K: it is not in the invariance kernel. The dynamics models lake eutrophication with a pseudo-sygmoid (b=1.95 ; q=1.9 ; r=260/v ; m= 70/v avec v= 3.9 (lake volume in billions of m³) |
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Author | Isadwiki |
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