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  2. Katapayadi system - Wikipedia

    en.wikipedia.org/wiki/Katapayadi_system

    If the melakarta number is greater than 36, subtract 36 from the melakarta number before performing this step. 'Ri' and 'Ga' positions: the raga will have: Ri1 and Ga1 if the quotient is 0; Ri1 and Ga2 if the quotient is 1; Ri1 and Ga3 if the quotient is 2; Ri2 and Ga2 if the quotient is 3; Ri2 and Ga3 if the quotient is 4; Ri3 and Ga3 if the ...

  3. Isopsephy - Wikipedia

    en.wikipedia.org/wiki/Isopsephy

    The total number is then used as a metaphorical bridge to other words evaluating the equal number, [2] which satisfies isos or "equal" in the term. Ancient Greeks used counting boards for numerical calculation and accounting, with a counter generically called psephos ('pebble'), analogous to the Latin word calculus , from which the English ...

  4. Coleman–Liau index - Wikipedia

    en.wikipedia.org/wiki/Coleman–Liau_index

    The Coleman–Liau index is a readability test designed by Meri Coleman and T. L. Liau to gauge the understandability of a text. Like the Flesch–Kincaid Grade Level, Gunning fog index, SMOG index, and Automated Readability Index, its output approximates the U.S. grade level thought necessary to comprehend the text.

  5. Pointwise mutual information - Wikipedia

    en.wikipedia.org/wiki/Pointwise_mutual_information

    PMI (especially in its positive pointwise mutual information variant) has been described as "one of the most important concepts in NLP", where it "draws on the intuition that the best way to weigh the association between two words is to ask how much more the two words co-occur in [a] corpus than we would have expected them to appear by chance." [2]

  6. The Sand Reckoner - Wikipedia

    en.wikipedia.org/wiki/The_Sand_Reckoner

    Archimedes rounded this number up to 10,000 (a myriad) to make calculations easier, again, noting that the resulting number will exceed the actual number of grains of sand. The cube of 10,000 is a trillion (10 12 ); and multiplying a billion (the number of grains of sand in a dactyl-sphere) by a trillion (number of dactyl-spheres in a stadium ...

  7. Gutmann–Beckett method - Wikipedia

    en.wikipedia.org/wiki/Gutmann–Beckett_method

    Gutmann, a chemist renowned for his work on non-aqueous solvents, described an acceptor-number scale for solvent Lewis acidity [4] with two reference points relating to the 31 P NMR chemical shift of Et 3 PO in the weakly Lewis acidic solvent hexane (δ = 41.0 ppm, AN 0) and in the strongly Lewis acidic solvent SbCl 5 (δ = 86.1 ppm, AN 100).

  8. Mean opinion score - Wikipedia

    en.wikipedia.org/wiki/Mean_opinion_score

    Mean opinion score (MOS) is a measure used in the domain of Quality of Experience and telecommunications engineering, representing overall quality of a stimulus or system.. It is the arithmetic mean over all individual "values on a predefined scale that a subject assigns to his opinion of the performance of a system quality".

  9. Tirukkodikaval Krishna Iyer - Wikipedia

    en.wikipedia.org/wiki/Tirukkodikaval_Krishna_Iyer

    Krishna Iyer had his training first from his father Kuppuswamy Iyer, and later under Kottavasal Venkatarama Iyer, a composer of Tana Varnams. [1] Krishna Iyer inherited his musical talents from his father Kuppuswamy Bhagavatar, a Harikatha performer. He did not have a good voice and so he was persuaded to take up violin playing.