TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

gradient descent [2 records]

Record 1 1998-11-24

English

Subject field(s)
  • Artificial Intelligence
DEF

The situation where the system always moves downward in the energy function.

CONT

One standard optimization technique is to use gradient descent: The values of the variables in the problem are modified in whatever direction reduces the cost function (energy). For hard problems, gradient descent gets stuck at local minima that are not globally optimal.

French

Domaine(s)
  • Intelligence artificielle
CONT

La surface de la fonction d'erreur présente des caractéristiques peu satisfaisantes pour effectuer une descente de gradient : minima locaux, qui empêchent la convergence de l'algorithme, plateaux où les pentes sont très faibles, etc.

Spanish

Save record 1

Record 2 1998-11-24

English

Subject field(s)
  • Artificial Intelligence
  • Computer Programs and Programming
DEF

An algorithm that chooses how far in the direction of the gradient to go.

Key term(s)
  • least mean square
  • gradient descent

French

Domaine(s)
  • Intelligence artificielle
  • Programmes et programmation (Informatique)

Spanish

Save record 2

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