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  2. Matrix (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Matrix_(mathematics)

    under which addition and multiplication of complex numbers and matrices correspond to each other. For example, 2-by-2 rotation matrices represent the multiplication with some complex number of absolute value 1, as above. A similar interpretation is possible for quaternions [77] and Clifford algebras in general.

  3. Logistic regression - Wikipedia

    en.wikipedia.org/wiki/Logistic_regression

    To begin with, we may consider a logistic model with M explanatory variables, x 1, x 2... x M and, as in the example above, two categorical values ( y = 0 and 1). For the simple binary logistic regression model, we assumed a linear relationship between the predictor variable and the log-odds (also called logit ) of the event that y = 1 ...

  4. Complex number - Wikipedia

    en.wikipedia.org/wiki/Complex_number

    Multiplication of 2 + i (blue triangle) and 3 + i (red triangle). The red triangle is rotated to match the vertex of the blue one (the adding of both angles in the terms φ 1 +φ 2 in the equation) and stretched by the length of the hypotenuse of the blue triangle (the multiplication of both radiuses, as per term r 1 r 2 in the equation).

  5. 6.5mm Creedmoor - Wikipedia

    en.wikipedia.org/wiki/6.5mm_Creedmoor

    The 6.5mm Creedmoor (6.5×48mm), [6] designated 6.5 Creedmoor by SAAMI, 6,5 Creedmoor by the C.I.P. [4] is a centerfire rifle cartridge introduced by Hornady in 2007. [7]It was developed by Hornady senior ballistics scientist Dave Emary in partnership with Dennis DeMille, the vice-president of product development at Creedmoor Sports, hence the name.

  6. History of computing hardware - Wikipedia

    en.wikipedia.org/wiki/History_of_computing_hardware

    The basic cycle time was 1.2 milliseconds, and a multiplication could be completed in about 2.16 milliseconds. The multiplier used almost a quarter of the machine's 4,050 vacuum tubes (valves). [126] A second machine was purchased by the University of Toronto, before the design was revised into the Mark 1 Star.

  7. Cancer - Wikipedia

    en.wikipedia.org/wiki/Cancer

    Tobacco use is the cause of about 22% of cancer deaths. [2] Another 10% are due to obesity, poor diet, lack of physical activity or excessive alcohol consumption. [2] [8] [9] Other factors include certain infections, exposure to ionizing radiation, and environmental pollutants. [3]

  8. Conviction rate - Wikipedia

    en.wikipedia.org/wiki/Conviction_rate

    In Canada, 2017–2018 data provided by Statistics Canada indicate an overall rate of conviction of 62% (of those charged in adult court). This is much lower than one might infer from the 3.6% acquittal rate because 1/3rd of the cases are withdrawn (either directly or indirectly via a "Crown Stay") before they reach a verdict.

  9. Usage share of web browsers - Wikipedia

    en.wikipedia.org/wiki/Usage_share_of_web_browsers

    The Firefox Add-ons website reports 15.0 million users of AdBlock variants and 2.2 million users of NoScript. Users behind a caching proxy (e.g. Squid ) may have repeat requests for certain pages served to the browser from the cache, rather than retrieving it again via the Internet.