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  2. Infinitesimal - Wikipedia

    en.wikipedia.org/wiki/Infinitesimal

    In common speech, an infinitesimal object is an object that is smaller than any feasible measurement, but not zero in size—or, so small that it cannot be distinguished from zero by any available means. Hence, when used as an adjective in mathematics, infinitesimal means infinitely small, smaller than any standard real number. Infinitesimals ...

  3. Category:Mathematics of infinitesimals - Wikipedia

    en.wikipedia.org/wiki/Category:Mathematics_of...

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  4. List of limits - Wikipedia

    en.wikipedia.org/wiki/List_of_limits

    In these limits, the infinitesimal change is often denoted or .If () is differentiable at , (+) = ′ ().This is the definition of the derivative.All differentiation rules can also be reframed as rules involving limits.

  5. Increment theorem - Wikipedia

    en.wikipedia.org/wiki/Increment_theorem

    Then the same equation = ′ + holds with the same definition of Δy, but instead of ε being infinitesimal, we have = (treating x and f as given so that ε is a function of Δx alone). See also [ edit ]

  6. Infinitesimal transformation - Wikipedia

    en.wikipedia.org/wiki/Infinitesimal_transformation

    In mathematics, an infinitesimal transformation is a limiting form of small transformation. For example one may talk about an infinitesimal rotation of a rigid body , in three-dimensional space. This is conventionally represented by a 3×3 skew-symmetric matrix A .

  7. Infinity - Wikipedia

    en.wikipedia.org/wiki/Infinity

    In 1655, John Wallis first used the notation for such a number in his De sectionibus conicis, [19] and exploited it in area calculations by dividing the region into infinitesimal strips of width on the order of . [20] But in Arithmetica infinitorum (1656), [21] he indicates infinite series, infinite products and infinite continued fractions by ...

  8. Infinitesimal generator - Wikipedia

    en.wikipedia.org/wiki/Infinitesimal_generator

    In mathematics, the term infinitesimal generator may refer to: an element of the Lie algebra, associated to a Lie group; Infinitesimal generator (stochastic processes), of a stochastic process; infinitesimal generator matrix, of a continuous time Markov chain, a class of stochastic processes; Infinitesimal generator of a strongly continuous ...

  9. Big O notation - Wikipedia

    en.wikipedia.org/wiki/Big_O_notation

    Big O notation is a mathematical notation that describes the limiting behavior of a function when the argument tends towards a particular value or infinity. Big O is a member of a family of notations invented by German mathematicians Paul Bachmann, [1] Edmund Landau, [2] and others, collectively called Bachmann–Landau notation or asymptotic notation.