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Definition of Taylor's series in English:
Taylor's series
noun
MathematicsAn infinite sum giving the value of a function f(z) in the neighbourhood of a point a in terms of the derivatives of the function evaluated at a.
- ‘One feature was his refutation in 1822 by counterexamples of Lagrange's belief that a function can always be expanded in a Taylor series.’
- ‘This work was highly praised by Lagrange, who gave a similar theory enriched by the Lagrange Remainder for the Taylor series.’
- ‘The same principle could be applied to a polynomial of any degree or to a Taylor series of an analytic function.’
- ‘An approximate method for calculating the bias and variance of a statistic is to expand it as a Taylor series about the true value and examine the expectations of the lower-order terms.’
- ‘Their explanation of why a Taylor series represents a function is incorrect, and they don't discuss the justification for term-by-term differentiation.’
Origin
Early 19th century: named after Brook Taylor (1685–1731), English mathematician.
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