градиентный (наибыстрейший) спуск, алгоритм градиентного спуска
инкрементный алгоритм оптимизации, или поиска оптимального решения, где приближение к локальному минимуму функции идёт шагами, пропорциональными обратной величине градиента этой функции в текущей точке.
Syn:
steepest descent
см. тж. gradient ascent, hill climbing

Англо-русский толковый словарь терминов и сокращений по ВТ, Интернету и программированию. . 1998-2007.

### Смотреть что такое "gradient descent" в других словарях:

• Gradient descent — For the analytical method called steepest descent see Method of steepest descent. Gradient descent is an optimization algorithm. To find a local minimum of a function using gradient descent, one takes steps proportional to the negative of the… …   Wikipedia

• Stochastic gradient descent — is a general optimization algorithm, but is typically used to fit the parameters of a machine learning model.In standard (or batch ) gradient descent, the true gradient is used to update the parameters of the model. The true gradient is usually… …   Wikipedia

• Descent direction — In optimization, a descent direction is a vector that, in the sense below, moves us closer towards a local minimum of our objective function . Suppose we are computing by an iterative method, such as line search. We define a descent direction at… …   Wikipedia

• Gradient — In vector calculus, the gradient of a scalar field is a vector field which points in the direction of the greatest rate of increase of the scalar field, and whose magnitude is the greatest rate of change.A generalization of the gradient for… …   Wikipedia

• Descent — Not to be confused with Dissent. Descent may refer to: In genealogy and inheritance: Common descent, concept in evolutionary biology Kinship and descent, one of the major concepts of cultural anthropology Pedigree chart or family tree Ancestry… …   Wikipedia

• Gradient — Gra di*ent, n. 1. The rate of regular or graded ascent or descent in a road; grade. [1913 Webster] 2. A part of a road which slopes upward or downward; a portion of a way not level; a grade. [1913 Webster] 3. The rate of increase or decrease of a …   The Collaborative International Dictionary of English

• gradient maker — Gradient Gra di*ent, n. 1. The rate of regular or graded ascent or descent in a road; grade. [1913 Webster] 2. A part of a road which slopes upward or downward; a portion of a way not level; a grade. [1913 Webster] 3. The rate of increase or… …   The Collaborative International Dictionary of English

• Gradient post — Gradient Gra di*ent, n. 1. The rate of regular or graded ascent or descent in a road; grade. [1913 Webster] 2. A part of a road which slopes upward or downward; a portion of a way not level; a grade. [1913 Webster] 3. The rate of increase or… …   The Collaborative International Dictionary of English

• descent — [n1] moving down; lowering cave in, coast, coming down, crash, declension, declination, decline, declivity, dip, downgrade, droop, drop, drop off, fall, falling, grade, gradient, header, hill, inclination, incline, landslide, plummeting, plunge,… …   New thesaurus

• descent — noun 1) the plane began its descent Syn: dive, drop; fall, pitch, nosedive 2) their descent of the mountain Syn: downward climb 3) a steep descent Syn …   Thesaurus of popular words

• gradient — /gray dee euhnt/, n. 1. the degree of inclination, or the rate of ascent or descent, in a highway, railroad, etc. 2. an inclined surface; grade; ramp. 3. Physics. a. the rate of change with respect to distance of a variable quantity, as… …   Universalium

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