exponential integral

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• Exponential integral — is a mathematical function of a single argument which has no established notation.DefinitionsFor real values of x , the exponential integral Ei( x ) can be defined as : mbox{Ei}(x)=int { infty}^xfrac{e^t}t,dt., The definition above can be used… …   Wikipedia

• Integral exponencial — Gráfica de la función E1 (arriba) y de la función Ei (parte inferior). En el ámbito de las matemáticas la integral exponencial es una función especial definida en el plano complejo e identificada con el símbolo  Ei. Contenido …   Wikipedia Español

• Exponential map — In differential geometry, the exponential map is a generalization of the ordinary exponential function of mathematical analysis to all differentiable manifolds with an affine connection. Two important special cases of this are the exponential map …   Wikipedia

• Integral — This article is about the concept of integrals in calculus. For the set of numbers, see integer. For other uses, see Integral (disambiguation). A definite integral of a function can be represented as the signed area of the region bounded by its… …   Wikipedia

• Exponential sum — In mathematics, an exponential sum may be a finite Fourier series (i.e. a trigonometric polynomial), or other finite sum formed using the exponential function, usually expressed by means of the function:e(x) = exp(2pi ix).Therefore a typical… …   Wikipedia

• Exponential function — The natural exponential function y = ex In mathematics, the exponential function is the function ex, where e is the number (approximately 2.718281828) such that the function ex is its own derivative …   Wikipedia

• Integral of secant cubed — One of the more challenging indefinite integrals of elementary calculus is:int sec^3 x , dx = frac{1}{2}sec x an x + frac{1}{2}ln|sec x + an x| + C.There are a number of reasons why this particular antiderivative is worthy of special attention:*… …   Wikipedia

• Exponential calculus — Calculus Cal cu*lus, n.; pl. {Calculi}. [L, calculus. See {Calculate}, and {Calcule}.] 1. (Med.) Any solid concretion, formed in any part of the body, but most frequent in the organs that act as reservoirs, and in the passages connected with… …   The Collaborative International Dictionary of English

• Integral calculus — Calculus Cal cu*lus, n.; pl. {Calculi}. [L, calculus. See {Calculate}, and {Calcule}.] 1. (Med.) Any solid concretion, formed in any part of the body, but most frequent in the organs that act as reservoirs, and in the passages connected with… …   The Collaborative International Dictionary of English

• exponential — Synonyms and related words: algorismic, algorithmic, aliquot, cardinal, decimal, differential, digital, even, figural, figurate, figurative, finite, fractional, imaginary, impair, impossible, infinite, integral, irrational, logarithmic,… …   Moby Thesaurus

• integral — Synonyms and related words: a certain, aggregate, algorismic, algorithmic, aliquot, all, all embracing, all inclusive, an, any, any one, atomic, basic, cardinal, complete, component, composite, comprehensive, constituent, decimal, differential,… …   Moby Thesaurus