sigmoidal function

sigmoidal function
Математический анализ: сигмоидальная функция

Универсальный англо-русский словарь. . 2011.

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  • Sigmoidal — or sigmoid, literally means S shaped and can refer to: * Sigmoid function * Sigmoidal artery * Sigmoid colon …   Wikipedia

  • sigmoidal — adjective Characterized by a sigmoid curve or function …   Wiktionary

  • Sigmoid function — The logistic curve Plot of the error function …   Wikipedia

  • Activation function — In computational networks, the activation function of a node defines the output of that node given an input or set of inputs. A standard computer chip circuit can be seen as a digital network of activation functions that can be ON (1) or OFF (0) …   Wikipedia

  • Artificial neural network — An artificial neural network (ANN), usually called neural network (NN), is a mathematical model or computational model that is inspired by the structure and/or functional aspects of biological neural networks. A neural network consists of an… …   Wikipedia

  • Multilayer perceptron — A multilayer perceptron (MLP) is a feedforward artificial neural network model that maps sets of input data onto a set of appropriate output. An MLP consists of multiple layers of nodes in a directed graph, with each layer fully connected to the… …   Wikipedia

  • Cybenko theorem — The Cybenko theorem is a theorem proved by George Cybenko in 1989 that says that a single hidden layer, feed forward neural network is capable of approximating any continuous, multivariate function to any desired degree of accuracy and that… …   Wikipedia

  • Hemoglobin — Hemoglobin, human, adult (heterotetramer, (αβ)2) Structure of human hemoglobin. The protein s α and β subunits are in red and blue, and the iron containing heme groups in green. Fro …   Wikipedia

  • Correlate summation analysis — is a data mining method. It is designed to find the variables that are most covariant with all of the other variables being studied, relative to clustering. Aggregate correlate summation is the product of the totaled negative logarithm of the p… …   Wikipedia

  • Artificial neuron — An artificial neuron is a mathematical function conceived as a crude model, or abstraction of biological neurons. Artificial neurons are the constitutive units in an artificial neural network. Depending on the specific model used, it can receive… …   Wikipedia

  • Feedforward neural network — A feedforward neural network is an artificial neural network where connections between the units do not form a directed cycle. This is different from recurrent neural networks.The feedforward neural network was the first and arguably simplest… …   Wikipedia


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