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Softmax

💡 Words with a Similar Meaning to "Softmax"

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WordDefinition
sigmoid functionnoun(mathematical analysis, statistics) Any of various real functions whose graph resembles an elongated letter "S"; specifically, the logistic function y=(eˣ)/(eˣ+1)=1/(1+e⁻ˣ).
sigmoidnoun(mathematics) Ellipsis of sigmoid function. [(mathematical analysis, statistics) Any of various real functions whose graph resembles an elongated letter "S"; specifically, the logistic function y=(eˣ)/(eˣ+1)=1/(1+e⁻ˣ).]
logistic(operations) Relating to logistics.
logitnoun(mathematics) the inverse of the "sigmoid" or "logistic" function used in mathematics, especially in statistics. The logit of a number p between 0 and 1 is given by the formula:
logistic functionnoun(mathematics) A function, the result of the division of two exponential functions, that gives rise to the logistic curve.
platt scalingnoun(machine learning) A technique for transforming the outputs of a classification model into a probability distribution over classes, based on a logistic regression model.
slack variablenoun(mathematics) In an optimization problem, a variable added to an inequality constraint to transform it into an equality.
hypersimplexnoun(mathematics) A kind of convex polytope that generalizes the simplex, defined as the convex hull of a d-dimensional vector whose coefficients consist of k ones and d−k zeros.
posinomialnounAlternative form of posynomial. [(mathematics) A function of the form f(x_1,x_2,…,x_n)=∑ₖ₌₁ᴷc_kx_1^(a_1k)⋯x_n^(a_nk), where all the coordinates x_i and coefficients c_k are positive real numbers, and the exponents a_ik are real numbers.]
sparsistencynoun(statistics) Let mathbf b be a vector and define the support operatorname supp( mathbf b)=i: mathbf bᵢ≠0 where mathbf bᵢ is the ith element of mathbf b. Let ̂mathbf b be an estimator for mathbf b. Then sparsistency is the property that the support of the estimator converges to the true support as the number of samples grows to infinity.
signumnounA sign, mark, or symbol.
linear functionalnoun(mathematics) A linear mapping from a vector space to its field of scalars.
sigmanoun(mathematics) The symbol Σ, used to indicate summation of a set or series.
regularizationnoun(mathematics, computer science, finance) a process that simplifies results, often used to obtain results for ill-posed problems or to prevent overfitting.
signum functionnoun(mathematics) The function that determines the sign of a real number, yielding −1 if negative, +1 if positive, or otherwise zero.
loss functionnoun(mathematics) A function which expresses numerically the loss produced by a decision or other event.
functionalUseful; serving a purpose, fulfilling a function.
sigma additivitynoun(mathematical analysis) Alternative form of σ-additivity. [(mathematical analysis) countable additivity]
scalar functionnoun(mathematics) Any function whose domain is a vector space and whose value is its scalar field
slutsky's theoremnoun(mathematics) A theorem in probability theory that extends some properties of algebraic operations on convergent sequences of real numbers to sequences of random variables.

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