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  2. Hyundai Excel - Wikipedia

    en.wikipedia.org/wiki/Hyundai_Excel

    The Excel was available in three- or five-door hatchback and four-door sedan models. [3] The Excel was the first Hyundai car to be exported to the United States. The Excel was available with either a manual or automatic transmission mated to a four-cylinder engine aspirated by a carburetor or fuel injection system, depending on market and model ...

  3. Lotus Excel - Wikipedia

    en.wikipedia.org/wiki/Lotus_Excel

    The original Excel (aka the Eclat Excel) used the W58 manual transmission, driveshafts, rear differential, 14x7 inch alloy wheels, and door handles from the A60 Supra. The engine was the familiar all-aluminium, DOHC 2.2 L Lotus 912 slant-four engine also used in the Lotus Esprit S3, producing 160 hp (119 kW; 162 PS).

  4. Linear interpolation - Wikipedia

    en.wikipedia.org/wiki/Linear_interpolation

    Given the two red points, the blue line is the linear interpolant between the points, and the value y at x may be found by linear interpolation.. In mathematics, linear interpolation is a method of curve fitting using linear polynomials to construct new data points within the range of a discrete set of known data points.

  5. Formula for primes - Wikipedia

    en.wikipedia.org/wiki/Formula_for_primes

    Because the set of primes is a computably enumerable set, by Matiyasevich's theorem, it can be obtained from a system of Diophantine equations. Jones et al. (1976) found an explicit set of 14 Diophantine equations in 26 variables, such that a given number k + 2 is prime if and only if that system has a solution in nonnegative integers: [7]

  6. Exponential distribution - Wikipedia

    en.wikipedia.org/wiki/Exponential_distribution

    In probability theory and statistics, the exponential distribution or negative exponential distribution is the probability distribution of the distance between events in a Poisson point process, i.e., a process in which events occur continuously and independently at a constant average rate; the distance parameter could be any meaningful mono-dimensional measure of the process, such as time ...

  7. Viscosity index - Wikipedia

    en.wikipedia.org/wiki/Viscosity_index

    Historically, there were two different oil types recommended for usage in different weather conditions. As an example, with winter oils and cold starting the engines, and with temperature ranges from, say, −30 °C to 0 °C, a 5 weight oil would be pumpable at the very low temperatures and the generally cooler engine operating temperatures.

  8. Dot product - Wikipedia

    en.wikipedia.org/wiki/Dot_product

    In mathematics, the dot product or scalar product [note 1] is an algebraic operation that takes two equal-length sequences of numbers (usually coordinate vectors), and returns a single number. In Euclidean geometry , the dot product of the Cartesian coordinates of two vectors is widely used.

  9. Double factorial - Wikipedia

    en.wikipedia.org/wiki/Double_factorial

    The final expression is defined for all complex numbers except the negative even integers and satisfies (z + 2)!! = (z + 2) · z!! everywhere it is defined. As with the gamma function that extends the ordinary factorial function, this double factorial function is logarithmically convex in the sense of the Bohr–Mollerup theorem .