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  2. BCH code - Wikipedia

    en.wikipedia.org/wiki/BCH_code

    The BCH code with and higher has the generator polynomial. This code has minimal Hamming distance 15 and corrects 7 errors. It has 1 data bit and 14 checksum bits. It is also denoted as: (15, 1) BCH code. In fact, this code has only two codewords: 000000000000000 and 111111111111111 (a trivial repetition code ).

  3. S&P 500 - Wikipedia

    en.wikipedia.org/wiki/S&P_500

    A daily volume chart of the S&P 500 index from January 3, 1950, to February 19, 2016. Logarithmic Chart of S&P 500 Index with and without Inflation and with Best Fit and other graphs to Feb 2024. The Standard and Poor's 500, or simply the S&P 500, [5] is a stock market index tracking the stock performance of 500 of the largest companies listed ...

  4. Predatory publishing - Wikipedia

    en.wikipedia.org/wiki/Predatory_publishing

    Predatory publishing, also write-only publishing [1] [2] or deceptive publishing, [3] is an exploitative academic publishing business model that involves charging publication fees to authors while only superficially checking articles for quality and legitimacy, and without providing editorial and publishing services that legitimate academic ...

  5. List of S&P 500 companies - Wikipedia

    en.wikipedia.org/wiki/List_of_S&P_500_companies

    S&P 500 and S&P 100 constituent ExxonMobil acquired Pioneer Natural Resources. April 3, 2024: XRAY: Dentsply Sirona: Market capitalization change. April 3, 2024: VFC: VF Corporation: Market capitalization change. April 2, 2024 GEV GE Vernova: S&P 500 and 100 constituent General Electric Corp. spun off GE Vernova. April 1, 2024 SOLV Solventum

  6. Common-mode rejection ratio - Wikipedia

    en.wikipedia.org/wiki/Common-mode_rejection_ratio

    Common-mode rejection ratio. In electronics, the common mode rejection ratio ( CMRR) of a differential amplifier (or other device) is a metric used to quantify the ability of the device to reject common-mode signals, i.e. those that appear simultaneously and in-phase on both inputs. An ideal differential amplifier would have infinite CMRR ...

  7. Detection error tradeoff - Wikipedia

    en.wikipedia.org/wiki/Detection_error_tradeoff

    The normal deviate mapping (or normal quantile function, or inverse normal cumulative distribution) is given by the probit function, so that the horizontal axis is x = probit(P fa) and the vertical is y = probit(P fr), where P fa and P fr are the false-accept and false-reject rates.

  8. Moral nihilism - Wikipedia

    en.wikipedia.org/wiki/Moral_nihilism

    Moral nihilism (also called ethical nihilism) is the meta-ethical view that nothing is morally right or morally wrong and that morality doesn't exist. [1] [2] Moral nihilism is distinct from moral relativism, which allows for actions to be wrong relative to a particular culture or individual.

  9. Polar code (coding theory) - Wikipedia

    en.wikipedia.org/wiki/Polar_code_(coding_theory)

    Polar code (coding theory) In information theory, a polar code is a linear block error-correcting code. The code construction is based on a multiple recursive concatenation of a short kernel code which transforms the physical channel into virtual outer channels. When the number of recursions becomes large, the virtual channels tend to either ...