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  2. Euromatrix - Wikipedia

    en.wikipedia.org/wiki/Euromatrix

    The EuroMatrix is a project that ran from September 2006 to February 2009. The project aimed to develop and improve machine translation (MT) systems between all official languages of the European Union (EU).

  3. Metzler matrix - Wikipedia

    en.wikipedia.org/wiki/Metzler_matrix

    The exponential of a Metzler (or quasipositive) matrix is a nonnegative matrix because of the corresponding property for the exponential of a nonnegative matrix. This is natural, once one observes that the generator matrices of continuous-time Markov chains are always Metzler matrices, and that probability distributions are always non-negative.

  4. Eurobarometer - Wikipedia

    en.wikipedia.org/wiki/Eurobarometer

    Eurobarometer is a series of public opinion surveys conducted regularly on behalf of the European Commission and other EU institutions since 1974. These surveys address a wide variety of topical issues relating to the European Union throughout its member states. [1]

  5. Matrix (mathematics) - Wikipedia

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

    Matrices can be used to compactly write and work with multiple linear equations, that is, systems of linear equations. For example, if A is an m×n matrix, x designates a column vector (that is, n×1-matrix) of n variables x 1, x 2, ..., x n, and b is an m×1-column vector, then the matrix equation =

  6. List of named matrices - Wikipedia

    en.wikipedia.org/wiki/List_of_named_matrices

    A matrix with all entries either 0 or 1. Synonym for (0,1)-matrix, binary matrix or Boolean matrix. Can be used to represent a k-adic relation. Markov matrix: A matrix of non-negative real numbers, such that the entries in each row sum to 1. Metzler matrix: A matrix whose off-diagonal entries are non-negative. Monomial matrix

  7. Questionnaire construction - Wikipedia

    en.wikipedia.org/wiki/Questionnaire_construction

    Answer format: The manner in which the respondent provides an answer, including options for multiple-choice questions. Evaluation criteria: The criteria used to assess and score the response. The degree of standardization varies, ranging from strictly prescribed questions with predetermined answers to open-ended questions with subjective ...

  8. AP European History - Wikipedia

    en.wikipedia.org/wiki/AP_European_History

    The Free Response sections of the test offer some choice. [5] Short Answer Question (SAQ): (complete 3 of 4) Two questions spanning 1600-2001 (both mandatory) Choice between questions Q3 (periods 1 and 2) and Q4 (periods 3 and 4) Long Essay Question (LEQ): (complete 1 of 3)

  9. Euclidean distance matrix - Wikipedia

    en.wikipedia.org/wiki/Euclidean_distance_matrix

    In mathematics, a Euclidean distance matrix is an n×n matrix representing the spacing of a set of n points in Euclidean space. For points x 1 , x 2 , … , x n {\displaystyle x_{1},x_{2},\ldots ,x_{n}} in k -dimensional space ℝ k , the elements of their Euclidean distance matrix A are given by squares of distances between them.