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2. Coupon (finance) - Wikipedia

   en.wikipedia.org/wiki/Coupon_(finance)

   In finance, a coupon is the interest payment received by a bondholder from the date of issuance until the date of maturity of a bond . Coupons are normally described in terms of the "coupon rate", which is calculated by adding the sum of coupons paid per year and dividing it by the bond's face value. For example, if a bond has a face value of ...

3. Aspect ratio (image) - Wikipedia

   en.wikipedia.org/wiki/Aspect_ratio_(image)

   Aspect ratio (image) The aspect ratio of an image is the ratio of its width to its height. It is expressed as two numbers separated by a colon, width:height. Common aspect ratios are 1.85:1 and 2.40:1 in cinematography, 4:3 and 16:9 in television, and 3:2 in still photography .

4. Cutoff frequency - Wikipedia

   en.wikipedia.org/wiki/Cutoff_frequency

   The cutoff frequency is the critical frequency between propagation and attenuation, which corresponds to the frequency at which the longitudinal wavenumber is zero. It is given by The wave equations are also valid below the cutoff frequency, where the longitudinal wave number is imaginary. In this case, the field decays exponentially along the ...

5. Playoff format - Wikipedia

   en.wikipedia.org/wiki/Playoff_format

   Major League Baseball (MLB) has used a best-of-seven format for the League Championship Series since 1985, and for the World Series between 1905 and 1918, and since 1922. [f] MLB uses the "2–3–2" format. The National Basketball Association (NBA) uses a "2–2–1–1–1" format for all playoff rounds including the Finals.

6. Bias–variance tradeoff - Wikipedia

   en.wikipedia.org/wiki/Bias–variance_tradeoff

   Low bias, high variance. The bias–variance tradeoff is a central problem in supervised learning. Ideally, one wants to choose a model that both accurately captures the regularities in its training data, but also generalizes well to unseen data. Unfortunately, it is typically impossible to do both simultaneously.

7. Google Images - Wikipedia

   en.wikipedia.org/wiki/Google_Images

   Google Images (previously Google Image Search) is a search engine owned by Google that allows users to search the World Wide Web for images. It was introduced on July 12, 2001, due to a demand for pictures of the green Versace dress of Jennifer Lopez worn in February 2000. In 2011, reverse image search functionality was added.