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  2. Summation by parts - Wikipedia

    en.wikipedia.org/wiki/Summation_by_parts

    It may be used to prove Nicomachus's theorem that the sum of the first cubes equals the square of the sum of the first positive integers. [2] Summation by parts is frequently used to prove Abel's theorem and Dirichlet's test.

  3. Language Integrated Query - Wikipedia

    en.wikipedia.org/wiki/Language_Integrated_Query

    The standard query operator API also specifies certain operators that convert a collection into another type: [3] AsEnumerable: Statically types the collection as an IEnumerable<T>. [4] AsQueryable: Statically types the collection as an IQueryable<T>. ToArray: Creates an array T[] from the collection. ToList: Creates a List<T> from the collection.

  4. Data transformation (statistics) - Wikipedia

    en.wikipedia.org/wiki/Data_transformation...

    This is called the rank transform, [14] and creates data with a perfect fit to a uniform distribution. This approach has a population analogue. Using the probability integral transform , if X is any random variable , and F is the cumulative distribution function of X , then as long as F is invertible, the random variable U = F ( X ) follows a ...

  5. Kuznetsov trace formula - Wikipedia

    en.wikipedia.org/wiki/Kuznetsov_trace_formula

    The integral transform part is some integral transform of g and the spectral part is a sum of Fourier coefficients, taken over spaces of holomorphic and non-holomorphic modular forms twisted with some integral transform of g. The Kuznetsov trace formula was found by Kuznetsov while studying the growth of weight zero automorphic functions. [1]

  6. Dirichlet eta function - Wikipedia

    en.wikipedia.org/wiki/Dirichlet_eta_function

    Color representation of the Dirichlet eta function. It is generated as a Matplotlib plot using a version of the Domain coloring method. [1]In mathematics, in the area of analytic number theory, the Dirichlet eta function is defined by the following Dirichlet series, which converges for any complex number having real part > 0: = = = + +.

  7. The 12 Best Mediterranean Diet Foods on a Budget, According ...

    www.aol.com/12-best-mediterranean-diet-foods...

    Try them in our Skillet Tuna Noodle Casserole or transform them into tasty Easy Spicy Salmon Cakes for a 20-minute main. 6. Canned Tomatoes. Canned tomatoes are picked at the peak of freshness, so ...

  8. Poisson summation formula - Wikipedia

    en.wikipedia.org/wiki/Poisson_summation_formula

    where is the Fourier transform of , i.e., () . The summation formula can be restated in many equivalent ways, but a simple one is the following. [1] Suppose that () and is a unimodular lattice in .

  9. Mortgage and refinance rates for Feb. 5, 2025: Average rates ...

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    See today's average mortgage rates for a 30-year fixed mortgage, 15-year fixed, jumbo loans, refinance rates and more — including up-to-date rate news.