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  2. Line integral - Wikipedia

    en.wikipedia.org/wiki/Line_integral

    The value of the line integral is the sum of values of the field at all points on the curve, weighted by some scalar function on the curve (commonly arc length or, for a vector field, the scalar product of the vector field with a differential vector in the curve). This weighting distinguishes the line integral from simpler integrals defined on ...

  3. Integration by parts - Wikipedia

    en.wikipedia.org/wiki/Integration_by_parts

    Step i = 0 yields the original integral. For the complete result in step i > 0 the i th integral must be added to all the previous products (0 ≤ j < i) of the j th entry of column A and the (j + 1) st entry of column B (i.e., multiply the 1st entry of column A with the 2nd entry of column B, the 2nd entry of column A with the 3rd entry of ...

  4. Integral - Wikipedia

    en.wikipedia.org/wiki/Integral

    In mathematics, an integral is the continuous analog of a sum, which is used to calculate areas, volumes, and their generalizations. Integration, the process of computing an integral, is one of the two fundamental operations of calculus, [ a] the other being differentiation. Integration was initially used to solve problems in mathematics and ...

  5. Contour integration - Wikipedia

    en.wikipedia.org/wiki/Contour_integration

    In the mathematical field of complex analysis, contour integration is a method of evaluating certain integrals along paths in the complex plane. [1] [2] [3] Contour integration is closely related to the calculus of residues, [4] a method of complex analysis . One use for contour integrals is the evaluation of integrals along the real line that ...

  6. Numerical integration - Wikipedia

    en.wikipedia.org/wiki/Numerical_integration

    e. In analysis, numerical integration comprises a broad family of algorithms for calculating the numerical value of a definite integral . The term numerical quadrature (often abbreviated to quadrature) is more or less a synonym for "numerical integration", especially as applied to one-dimensional integrals.

  7. Fundamental theorem of calculus - Wikipedia

    en.wikipedia.org/wiki/Fundamental_theorem_of...

    The fundamental theorem of calculus is a theorem that links the concept of differentiating a function (calculating its slopes, or rate of change at each point in time) with the concept of integrating a function (calculating the area under its graph, or the cumulative effect of small contributions). Roughly speaking, the two operations can be ...

  8. Gradient theorem - Wikipedia

    en.wikipedia.org/wiki/Gradient_theorem

    Calculus. The gradient theorem, also known as the fundamental theorem of calculus for line integrals, says that a line integral through a gradient field can be evaluated by evaluating the original scalar field at the endpoints of the curve. The theorem is a generalization of the second fundamental theorem of calculus to any curve in a plane or ...

  9. Lists of integrals - Wikipedia

    en.wikipedia.org/wiki/Lists_of_integrals

    More detail may be found on the following pages for the lists of integrals : Gradshteyn, Ryzhik, Geronimus, Tseytlin, Jeffrey, Zwillinger, and Moll 's (GR) Table of Integrals, Series, and Products contains a large collection of results. An even larger, multivolume table is the Integrals and Series by Prudnikov, Brychkov, and Marichev (with ...