1993 | OriginalPaper | Chapter
Topics in Integration
Authors : J. Stoer, R. Bulirsch
Published in: Introduction to Numerical Analysis
Publisher: Springer New York
Included in: Professional Book Archive
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Calculating the definite integral of a given real function f (x), $$\int_a^b {f(x)dx,} $$ is a classic problem. For some simple integrands f (x), the indefinite integral $$\int_a^x {f\left( x \right)} dx = F\left( x \right),F'\left( x \right) = f\left( x \right),$$ can be obtained in closed form as an algebraic expression in x and wellknown transcendental functions of x. Then $$\int_a^b {f(x)dx = F(b) - F(a).} $$ See Gröbner and Hofreiter (1961) for a comprehensive collection of formulas describing such indefinite integrals and many important definite integrals.