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Hessian matrix
| Глоссарий по искусственному интеллекту |
In learning algorithms that use gradient or related techniques to learn, the gradients are sometimes weighted by the inverse of the matrix of cross-products or the hessian matrix. the hessian matrix is the matrix of second derivatives of the error function with respect to the parameters of the learning rule. see also: gradient descent.
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Hessian, английский
A name for burlap used in the united kingdom, india, and parts or europe. (also see burlap.)
Matrix, английский
- Bending back in order to avoid something, similar to the bullet dodging seen in the movie the matrix. pulling a matrix. example lindsey tried to dump a cup of water on me but i pulled a matrix and she only got my shoe.
- Матрица, двухмерная линейка пзс-элементов
- Matrix. from the latin word mater, meaning mother, the matrix is a surface, a woodblock, a metal plate, a lithographic stone or a mesh screen for example, on which the image to be printed is prepared.
- The surface (metal, wood, or stone) on which the image is created. this is used to create an impression on the paper to make a print.
- A logical network configured in a rectangular array of intersections of input/output
- “all components of a material system, except the analyte.” [clsi] used here to refer to the physical and chemical nature of the specimen, the substances present, and their concentrations. the matrix of a control material is an important consideration in selecting and implementing a qc procedure. in this context, the matrix refers to the substances and base from which the control material is prepared, in addition to all the additives such as spiking materials, preservatives, etc., necessary to make the product useful.
- Матрица; многоствольная пусковая установка
- A logical network configured in a rectangular array of intersections of input/output channels.
- An amorphous mass of cells forming the basis of connective tissue. also called ground substance
- N матрица | a матричный sentence classificatory ~ классификационная матрица phonetic ~ фонетическая матрица
- The metal in which the diamonds inset in the crown of a bit are embedded.
- Матрица. материал, содержащий аналит, например моча или кровь.
- A smartart graphic layout type that includes layouts designed to show how parts relate to a whole.
- An arrangement of rows and columns used for organizing related items, such as numbers, dots, spreadsheet cells, or circuit elements.
- Finer-grained material enclosing, or filling the spaces between, the
Matrix, латинский
Matrix (management), английский
Матрица, таблица (управление)
Matrix adder, английский
Матричный сумматор
Matrix addressing, английский
Матричная адресация
Matrix adjustment (method), английский
Matrix algebra, английский
Матричная алгебра
Matrix arithmetic, английский
Матричная арифметика
Matrix assisted laser desorption/ionization time of flight mass spectrometry (maldi-tof), английский
Technique in which the sample (e.g., a microbe colony) is mixed with a special matrix and irradiated with a high-energy laser to generate characteristic gaseous ions that are subjected to mass spectral analysis, yielding mass spectra that may be compared to reference data for identification purposes
Matrix block, английский
Матричный блок
Matrix calculation, английский
Вычисление матрицы
Matrix calculus, английский
Матричное исчисление; матричные операции
Matrix circuit, английский
Матричная схема
Matrix commutator, английский
Матричный переключатель
Matrix data region, английский
A report item on a report layout that displays data in a variable columnar format.
Matrix deflation, английский
Понижение порядка матрицы
Matrix display, английский
Matrix effect, английский
Эффект матрицы. прямое или косвенное изменение или искажение показаний измерительного прибора, вызванное присутствием непредусмотренных (для анализа) аналитов или других интерферирующих веществ в пробах.
Matrix electrolyte cell, английский
Algorithms, английский
Complex mathematical formulae or rules used to solve complex problems in cctv they are used to achieve digital compression of a video picture.
Derivatives, английский
- Производные финансовые инструменты, которые представляют ценность не сами по себе, а благодаря тем составляющим, из которых они “произведены” (например, фьючерс, опцион, опцион на фьючерс, etc.). испоьзуются для спекулятивных сделок, а также в целях хеджи
- Производные финансовые инструменты, которые пред¬ставляют ценность не сами по себе, а благодаря тем составляющим, из которых они «произведены» (например, фьючерс, опцион, опцион на фьючерс, etc.). используются для спекулятивных сделок, а также в це¬лях хеджирования.
- In the energy sector this generic term refers to specialized securities including options, futures, and forwards.
- Производные ценные бумаги
Parameters, английский
Параметры
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Hyperparameter, английский
In knowledge representation models, the value of an uncertain attribute can be represented by a probability distribution. if the parameters of that distribution are specified by yet another distribution, the parameters of that second distribution are referred to as a hyper-parameter. as an example, the uncertainty in binary events is often represented by a bernoulli distribution or, in aggregate, by a binomial distribution. both distributions require a parameter, p, to represent the probability that the binary event occurs. if there is uncertainty about the value of p, it can be represented by a beta distribution, which has two parameters, a and b. in this example, a and b are hyperparameters for the original event.
Equivalence query, английский
In machine learning the learning program sometimes needs to test the validity of a rule with an external teacher, such as asking "are all winged animals birds?" this type of question is called an equivalence query, as it is asking if the concept of birds is equivalent to the rule "winged animals are birds." see also: concept learning, machine learning, membership query.
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