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  2. Sherman–Morrison formula - Wikipedia

    en.wikipedia.org/wiki/Sherman–Morrison_formula

    This formula also has application in theoretical physics. Namely, in quantum field theory, one uses this formula to calculate the propagator of a spin-1 field. [8] [circular reference] The inverse propagator (as it appears in the Lagrangian) has the form +.

  3. Reticulocyte production index - Wikipedia

    en.wikipedia.org/wiki/Reticulocyte_production_index

    The reticulocyte production index (RPI), also called a corrected reticulocyte count (CRC), is a calculated value used in the diagnosis of anemia. This calculation is necessary because the raw reticulocyte count is misleading in anemic patients.

  4. Euler characteristic - Wikipedia

    en.wikipedia.org/wiki/Euler_characteristic

    hence has Betti number 1 in dimensions 0 and n, and all other Betti numbers are 0. Its Euler characteristic is then χ = 1 + (−1) n ; that is, either 0 if n is odd, or 2 if n is even. The n dimensional real projective space is the quotient of the n sphere by the antipodal map. It follows that its Euler characteristic is exactly half that of ...

  5. List of Formula One World Drivers' Champions - Wikipedia

    en.wikipedia.org/wiki/List_of_Formula_One_World...

    Formula One, abbreviated to F1, is the highest class of open-wheeled auto racing defined by the Fédération Internationale de l'Automobile (FIA), motorsport's world governing body. [1] The "formula" in the name refers to a set of rules to which all participants and cars must conform. [ 2 ]

  6. Inverse hyperbolic functions - Wikipedia

    en.wikipedia.org/wiki/Inverse_hyperbolic_functions

    A ray through the unit hyperbola = in the point (,), where a is twice the area between the ray, the hyperbola, and the x-axis. The earliest and most widely adopted symbols use the prefix arc-: arcsinh, arccosh, arctanh, arcsech, arccsch, arccoth; by analogy with the inverse trig functions (arcsin etc.).

  7. Bonferroni correction - Wikipedia

    en.wikipedia.org/wiki/Bonferroni_correction

    The Bonferroni correction can also be applied as a p-value adjustment: Using that approach, instead of adjusting the alpha level, each p-value is multiplied by the number of tests (with adjusted p-values that exceed 1 then being reduced to 1), and the alpha level is left unchanged.

  8. List of Formula One Grand Prix winners - Wikipedia

    en.wikipedia.org/wiki/List_of_Formula_One_Grand...

    Formula One (F1) is the highest class of open-wheeled motor racing defined by the Fédération Internationale de l'Automobile (FIA), motorsport's world governing body. [1] The "formula" in the name refers to a set of rules to which all participants and cars must conform. [2]

  9. Šidák correction - Wikipedia

    en.wikipedia.org/wiki/Šidák_correction

    The Šidák correction is derived by assuming that the individual tests are independent.Let the significance threshold for each test be ; then the probability that at least one of the tests is significant under this threshold is (1 - the probability that none of them are significant).