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  2. Finite impulse response - Wikipedia

    en.wikipedia.org/wiki/Finite_impulse_response

    The block diagram on the right shows the second-order moving-average filter discussed below. The transfer function is: = + + = + +. The next figure shows the corresponding pole–zero diagram. Zero frequency (DC) corresponds to (1, 0), positive frequencies advancing counterclockwise around the circle to the Nyquist frequency at (−1, 0).

  3. List of countries by income inequality - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    This is a list of countries and territories by income inequality metrics, as calculated by the World Bank, UNU-WIDER, OCDE, and World Inequality Database, based on different indicators, like Gini coefficient and specific income ratios.

  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. Secant method - Wikipedia

    en.wikipedia.org/wiki/Secant_method

    In higher dimensions, the full set of partial derivatives required for Newton's method, that is, the Jacobian matrix, may become much more expensive to calculate than the function itself. If, however, we consider parallel processing for the evaluation of the derivative or derivatives, Newton's method can be faster in clock time though still ...

  6. Remove Banner Ads with Ad-Free AOL Mail | AOL Products

    www.aol.com/products/utilities/ad-free-mail

    SYSTEM REQUIREMENTS. Mobile and desktop browsers: Works best with the latest version of Chrome, Edge, FireFox and Safari. Windows: Windows 7 and newer Mac: MacOS X and newer Note: Ad-Free AOL Mail ...