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  2. Taylor series - Wikipedia

    en.wikipedia.org/wiki/Taylor_series

    Consequently, the Taylor series of f (x) about x = 0 is identically zero. However, f (x) is not the zero function, so does not equal its Taylor series around the origin. Thus, f (x) is an example of a non-analytic smooth function.

  3. History of trigonometry - Wikipedia

    en.wikipedia.org/wiki/History_of_trigonometry

    The first trigonometric table was apparently compiled by Hipparchus of Nicaea (180 – 125 BCE), who is now consequently known as "the father of trigonometry." [16] Hipparchus was the first to tabulate the corresponding values of arc and chord for a series of angles.

  4. Taylor's theorem - Wikipedia

    en.wikipedia.org/wiki/Taylor's_theorem

    v. t. e. In calculus, Taylor's theorem gives an approximation of a -times differentiable function around a given point by a polynomial of degree , called the -th-order Taylor polynomial. For a smooth function, the Taylor polynomial is the truncation at the order of the Taylor series of the function.

  5. Natural logarithm - Wikipedia

    en.wikipedia.org/wiki/Natural_logarithm

    The natural logarithm of a number is its logarithm to the base of the mathematical constant e, which is an irrational and transcendental number approximately equal to 2.718 281 828 459. [1] The natural logarithm of x is generally written as ln x, loge x, or sometimes, if the base e is implicit, simply log x.

  6. Brook Taylor - Wikipedia

    en.wikipedia.org/wiki/Brook_Taylor

    Brook Taylor. Brook Taylor FRS (18 August 1685 – 29 December 1731) was an English mathematician and barrister best known for several results in mathematical analysis. Taylor's most famous developments are Taylor's theorem and the Taylor series, essential in the infinitesimal approach of functions in specific points.

  7. Even and odd functions - Wikipedia

    en.wikipedia.org/wiki/Even_and_odd_functions

    The cosine function and all of its Taylor polynomials are even functions. In mathematics, an even function is a real function such that for every in its domain. Similarly, an odd function is a function such that for every in its domain. They are named for the parity of the powers of the power functions which satisfy each condition: the function ...

  8. Origin (TV series) - Wikipedia

    en.wikipedia.org/wiki/Origin_(TV_series)

    Origin. (TV series) Origin is an American science fiction drama series created by Mika Watkins that premiered on November 14, 2018, on YouTube Premium. Watkins also serves as a writer for the series and executive produces alongside Andy Harries, Rob Bullock, Suzanne Mackie, Josh Appelbaum, André Nemec, Jeff Pinkner, and Scott Rosenberg.

  9. Geometric series - Wikipedia

    en.wikipedia.org/wiki/Geometric_series

    Taylor series are named after Brook Taylor, who introduced them in 1715. A Taylor series is also called a Maclaurin series when 0 is the point where the derivatives are considered, after Colin Maclaurin, who made extensive use of this special case of Taylor series in the 18th century. The partial sum formed by the first n + 1 terms of a Taylor ...