TERMIUM Plus®

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

GRADIENT DESCENT [6 records]

Record 1 2024-01-10

English

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

Stochastic gradient algorithms are widely used for large-scale learning and inference problems. However, their use in practice is typically guided by heuristics and trial-and-error rather than rigorous, generalizable theory.

CONT

Stochastic gradient descent (SGD) and its variants have established themselves as the go-to algorithms for large-scale machine learning problems with independent samples due to their generalization performance and intrinsic computational advantage.

French

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

Spanish

Save record 1

Record 2 2022-04-06

English

Subject field(s)
  • Aircraft Piloting and Navigation
DEF

The ratio of height descended to distance travelled ...

French

Domaine(s)
  • Pilotage et navigation aérienne

Spanish

Save record 2

Record 3 2021-02-23

English

Subject field(s)
  • Aircraft Piloting and Navigation
CONT

The optimum descent gradient in all segments of helicopter approach procedures is 400 feet per nautical mile.

French

Domaine(s)
  • Pilotage et navigation aérienne
CONT

La pente de descente optimale dans tous les segments d'une procédure d'approche pour hélicoptère est de 400 pieds par mille nautique.

Spanish

Save record 3

Record 4 2015-07-29

English

Subject field(s)
  • Flights (Air Transport)
  • Aircraft Maneuvers
  • Air Traffic Control
DEF

The vertical downward component of velocity that an aircraft will have while descending in still air under given conditions of equilibrium.

OBS

It is mathematically equal to the air speed multiplied by the sine of the gliding angle.

OBS

rate of descent; ROD: term and abbreviation officially approved by the International Civil Aviation Organization (ICAO).

French

Domaine(s)
  • Vols (Transport aérien)
  • Manœuvres d'aéronefs
  • Circulation et trafic aériens
OBS

vitesse verticale de descente; ROD : terme et abréviation uniformisés par l'Organisation de l'aviation civile internationale (OACI).

OBS

vitesse descensionnelle; taux de descente : termes uniformisés par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes.

Spanish

Campo(s) temático(s)
  • Vuelos (Transporte aéreo)
  • Maniobras de las aeronaves
  • Control de tránsito aéreo
OBS

velocidad vertical de descenso; ROD: término y abreviatura aceptados oficialmente por la Organización de Aviación Civil Internacional (OACI).

OBS

ROD, por sus siglas en inglés.

Save record 4

Record 5 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 5

Record 6 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 6

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