May 2020
Intermediate to advanced
576 pages
26h 55m
French
Content preview from Deep Learning avec Keras et TensorFlow
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Les solutions des exercices de programmation figurent dans les notebooks
Jupyter disponibles en ligne sur https://github.com/ageron/handson-ml2.
306
CHAPITRE 1 : LES FONDAMENTAUX
DU MACHINE LEARNING
1. Si vous avez un jeu d’entraînement comportant des millions de variables,
vous pouvez utiliser une descente de gradient stochastique ou une
descente de gradient par mini-lots, ou encore une descente de gradient
ordinaire si le jeu d’entraînement tient en mémoire. Mais vous ne pouvez
pas utiliser l’équation normale, car le temps de calcul augmente très
rapidement avec le nombre de variables (plus que quadratiquement).
2.
Si les caractéristiques composant ...
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