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An even larger, multivolume table is the Integrals and Series by Prudnikov, Brychkov, and Marichev (with volumes 1–3 listing integrals and series of elementary and special functions, volume 4–5 are tables of Laplace transforms).
Fredholm: An integral equation is called a Fredholm integral equation if both of the limits of integration in all integrals are fixed and constant. [1] An example would be that the integral is taken over a fixed subset of . [3] Hence, the following two examples are Fredholm equations: [1]
The next significant advances in integral calculus did not begin to appear until the 17th century. At this time, the work of Cavalieri with his method of indivisibles, and work by Fermat, began to lay the foundations of modern calculus, [7] with Cavalieri computing the integrals of x n up to degree n = 9 in Cavalieri's quadrature formula. [8]
To compute the integral, we set n to its value and use the reduction formula to express it in terms of the (n – 1) or (n – 2) integral. The lower index integral can be used to calculate the higher index ones; the process is continued repeatedly until we reach a point where the function to be integrated can be computed, usually when its index is 0 or 1.
Some authors refer to numerical integration over more than one dimension as cubature; [1] others take "quadrature" to include higher-dimensional integration. The basic problem in numerical integration is to compute an approximate solution to a definite integral to a given degree of accuracy.
The first part of the theorem, the first fundamental theorem of calculus, states that for a continuous function f, an antiderivative or indefinite integral F can be obtained as the integral of f over an interval with a variable upper bound. [1]