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  2. Timeline of mathematics - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_mathematics

    This is a timeline of pure and applied mathematics history.It is divided here into three stages, corresponding to stages in the development of mathematical notation: a "rhetorical" stage in which calculations are described purely by words, a "syncopated" stage in which quantities and common algebraic operations are beginning to be represented by symbolic abbreviations, and finally a "symbolic ...

  3. Convolution - Wikipedia

    en.wikipedia.org/wiki/Convolution

    Convolution is a mathematical operation involving the addition of each element of an image to its immediate neighbors, weighted by kernel elements.

  4. Manifold - Wikipedia

    en.wikipedia.org/wiki/Manifold

    A coordinate map, a coordinate chart, or simply a chart, of a manifold is an invertible map between a subset of the manifold and a simple space such that both the map and its inverse preserve the desired structure. [2]

  5. Decay correction - Wikipedia

    en.wikipedia.org/wiki/Decay_correction

    Decay correction is one way of working out what the radioactivity would have been at the time it was taken, rather than at the time it was tested. For example, the isotope copper-64, commonly used in medical research, has a half-life of 12.7 hours.

  6. CUSUM - Wikipedia

    en.wikipedia.org/wiki/CUSUM

    In statistical quality control, the CUSUM (or cumulative sum control chart) is a sequential analysis technique developed by E. S. Page of the University of Cambridge. It is typically used for monitoring change detection . [ 1 ]

  7. Area formulas - Wikipedia

    en.wikipedia.org/wiki/Area

    In mathematics, the unit square is defined to have area one, and the area of any other shape or surface is a dimensionless real number. There are several well-known formulas for the areas of simple shapes such as triangles, rectangles, and circles. Using these formulas, the area of any polygon can be found by dividing the polygon into triangles ...

  8. Anisometropia - Wikipedia

    en.wikipedia.org/wiki/Anisometropia

    In this example the first eye, with a −1.00 diopter prescription, is the stronger eye, needing only slight correction to sharpen the image formed, and hence a thin spectacle lens. The second eye, with a −4.00 diopter prescription, is the weaker eye, needing moderate correction to sharpen the image formed, and hence a moderately thick ...

  9. Itô's lemma - Wikipedia

    en.wikipedia.org/wiki/Itô's_lemma

    In mathematics, Itô's lemma or Itô's formula (also called the Itô–Doeblin formula, especially in the French literature) is an identity used in Itô calculus to find the differential of a time-dependent function of a stochastic process. It serves as the stochastic calculus counterpart of the chain rule.