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  2. Absolute value - Wikipedia

    en.wikipedia.org/wiki/Absolute_value

    The graph of the absolute value function for real numbers The absolute value of a number may be thought of as its distance from zero.. In mathematics, the absolute value or modulus of a real number, denoted | |, is the non-negative value of without regard to its sign.

  3. Probability density function - Wikipedia

    en.wikipedia.org/wiki/Probability_density_function

    Box plot and probability density function of a normal distribution N(0, σ 2). Geometric visualisation of the mode, median and mean of an arbitrary unimodal probability density function.

  4. Gustav Radbruch - Wikipedia

    en.wikipedia.org/wiki/Gustav_Radbruch

    Born in Lübeck, Radbruch studied law in Munich, Leipzig and Berlin.He passed his first bar exam ("Staatsexamen") in Berlin in 1901, and the following year he received his doctorate with a dissertation on "The Theory of Adequate Causation".

  5. Function theory - Wikipedia

    en.wikipedia.org/wiki/Function_theory

    Function theory may refer to: . Theory of functions of a real variable, the traditional name of real analysis, a branch of mathematical analysis dealing with the real numbers and real-valued functions of a real variable

  6. Function (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Function_(mathematics)

    Schematic depiction of a function described metaphorically as a "machine" or "black box" that for each input yields a corresponding output The red curve is the graph of a function, because any vertical line has exactly one crossing point with the curve.

  7. Pure function - Wikipedia

    en.wikipedia.org/wiki/Pure_function

    I/O is inherently impure: input operations undermine referential transparency, and output operations create side effects.Nevertheless, there is a sense in which a function can perform input or output and still be pure, if the sequence of operations on the relevant I/O devices is modeled explicitly as both an argument and a result, and I/O operations are taken to fail when the input sequence ...

  8. Bessel function - Wikipedia

    en.wikipedia.org/wiki/Bessel_function

    Bessel functions describe the radial part of vibrations of a circular membrane.. Bessel functions, named after Friedrich Bessel who was the first to systematically study them in 1824, [1] are canonical solutions y(x) of Bessel's differential equation + + = for an arbitrary complex number, which represents the order of the Bessel function.

  9. Submodular set function - Wikipedia

    en.wikipedia.org/wiki/Submodular_set_function

    In mathematics, a submodular set function (also known as a submodular function) is a set function that, informally, describes the relationship between a set of inputs and an output, where adding more of one input has a decreasing additional benefit (diminishing returns).