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2. Integration by parts - Wikipedia

   en.wikipedia.org/wiki/Integration_by_parts

   This visualization also explains why integration by parts may help find the integral of an inverse function f−1 (x) when the integral of the function f (x) is known. Indeed, the functions x (y) and y (x) are inverses, and the integral ∫ x dy may be calculated as above from knowing the integral ∫ y dx.

3. Order of integration (calculus) - Wikipedia

   en.wikipedia.org/wiki/Order_of_integration...

   The integral can be reduced to a single integration by reversing the order of integration as shown in the right panel of the figure. To accomplish this interchange of variables, the strip of width dy is first integrated from the line x = y to the limit x = z, and then the result is integrated from y = a to y = z, resulting in:

4. 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 ...

5. Integration by substitution - Wikipedia

   en.wikipedia.org/wiki/Integration_by_substitution

   Calculus. In calculus, integration by substitution, also known as u-substitution, reverse chain rule or change of variables, [1] is a method for evaluating integrals and antiderivatives. It is the counterpart to the chain rule for differentiation, and can loosely be thought of as using the chain rule "backwards."

6. List of definite integrals - Wikipedia

   en.wikipedia.org/wiki/List_of_definite_integrals

   e. In mathematics, the definite integral. is the area of the region in the xy -plane bounded by the graph of f, the x -axis, and the lines x = a and x = b, such that area above the x -axis adds to the total, and that below the x -axis subtracts from the total. The fundamental theorem of calculus establishes the relationship between indefinite ...

7. Numerical integration - Wikipedia

   en.wikipedia.org/wiki/Numerical_integration

   The term "numerical integration" first appears in 1915 in the publication A Course in Interpolation and Numeric Integration for the Mathematical Laboratory by David Gibb. [2] "Quadrature" is a historical mathematical term that means calculating area. Quadrature problems have served as one of the main sources of mathematical analysis.

8. Romberg's method - Wikipedia

   en.wikipedia.org/wiki/Romberg's_method

   Romberg's method. In numerical analysis, Romberg's method[1] is used to estimate the definite integral by applying Richardson extrapolation [2] repeatedly on the trapezium rule or the rectangle rule (midpoint rule). The estimates generate a triangular array. Romberg's method is a Newton–Cotes formula – it evaluates the integrand at equally ...

9. Cauchy formula for repeated integration - Wikipedia

   en.wikipedia.org/wiki/Cauchy_formula_for...

   Both the Cauchy formula and the Riemann–Liouville integral are generalized to arbitrary dimensions by the Riesz potential. In fractional calculus, these formulae can be used to construct a differintegral, allowing one to differentiate or integrate a fractional number of times. Differentiating a fractional number of times can be accomplished ...