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  2. Tony Blair - Wikipedia

    en.wikipedia.org/wiki/Tony_Blair

    In his post-9/11 speech, for example, he stated that "America has no truer friend than Great Britain". [ 154 ] The alliance between Bush and Blair seriously damaged Blair's standing in the eyes of Britons angry at American influence; [ 155 ] a 2002 poll revealed that a large amount of Britons viewed Blair as a " lapdog " of Bush. [ 156 ]

  3. Matrix analysis - Wikipedia

    en.wikipedia.org/wiki/Matrix_analysis

    In mathematics, particularly in linear algebra and applications, matrix analysis is the study of matrices and their algebraic properties. [1] Some particular topics out of many include; operations defined on matrices (such as matrix addition, matrix multiplication and operations derived from these), functions of matrices (such as matrix exponentiation and matrix logarithm, and even sines and ...

  4. P versus NP problem - Wikipedia

    en.wikipedia.org/wiki/P_versus_NP_problem

    Just as the class P is defined in terms of polynomial running time, the class EXPTIME is the set of all decision problems that have exponential running time. In other words, any problem in EXPTIME is solvable by a deterministic Turing machine in O (2 p ( n ) ) time, where p ( n ) is a polynomial function of n .

  5. Probability distribution - Wikipedia

    en.wikipedia.org/wiki/Probability_distribution

    Probability distributions usually belong to one of two classes. A discrete probability distribution is applicable to the scenarios where the set of possible outcomes is discrete (e.g. a coin toss, a roll of a die) and the probabilities are encoded by a discrete list of the probabilities of the outcomes; in this case the discrete probability ...

  6. Change-making problem - Wikipedia

    en.wikipedia.org/wiki/Change-making_problem

    Another example is attempting to make 40 US cents without nickels (denomination 25, 10, 1) with similar result — the greedy chooses seven coins (25, 10, and 5 × 1), but the optimal is four (4 × 10). A coin system is called "canonical" if the greedy algorithm always solves its change-making problem optimally.

  7. Social media - Wikipedia

    en.wikipedia.org/wiki/Social_media

    The PLATO system was launched in 1960 at the University of Illinois and subsequently commercially marketed by Control Data Corporation.It offered early forms of social media features with innovations such as Notes, PLATO's message-forum application; TERM-talk, its instant-messaging feature; Talkomatic, perhaps the first online chat room; News Report, a crowdsourced online newspaper, and blog ...

  8. Artificial intelligence - Wikipedia

    en.wikipedia.org/wiki/Artificial_intelligence

    [9] [10] Funding and interest vastly increased after 2012 when deep learning outperformed previous AI techniques. [11] This growth accelerated further after 2017 with the transformer architecture , [ 12 ] and by the early 2020s many billions of dollars were being invested in AI and the field experienced rapid ongoing progress in what has become ...

  9. Insurance - Wikipedia

    en.wikipedia.org/wiki/Insurance

    Definite loss: This type of loss takes place at a known time and place from a known cause. The classic example involves the death of an insured person on a life insurance policy. Fire, automobile accidents, and worker injuries may all easily meet this criterion. Other types of losses may only be definite in theory.