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  2. Ellipsis (linguistics) - Wikipedia

    en.wikipedia.org/wiki/Ellipsis_(linguistics)

    In linguistics, ellipsis (from Ancient Greek ἔλλειψις (élleipsis) 'omission') or an elliptical construction is the omission from a clause of one or more words that are nevertheless understood in the context of the remaining elements. There are numerous distinct types of ellipsis acknowledged in theoretical syntax.

  3. Elliptical distribution - Wikipedia

    en.wikipedia.org/wiki/Elliptical_distribution

    In probability and statistics, an elliptical distribution is any member of a broad family of probability distributions that generalize the multivariate normal distribution. Intuitively, in the simplified two and three dimensional case, the joint distribution forms an ellipse and an ellipsoid , respectively, in iso-density plots.

  4. Noun ellipsis - Wikipedia

    en.wikipedia.org/wiki/Noun_ellipsis

    Noun ellipsis (N-ellipsis), also noun phrase ellipsis (NPE), is a mechanism that elides, or appears to elide, part of a noun phrase that can be recovered from context. The mechanism occurs in many languages like English, which uses it less than related languages.

  5. Semi-major and semi-minor axes - Wikipedia

    en.wikipedia.org/wiki/Semi-major_and_semi-minor_axes

    where (h, k) is the center of the ellipse in Cartesian coordinates, in which an arbitrary point is given by (x, y).The semi-major axis is the mean value of the maximum and minimum distances and of the ellipse from a focus — that is, of the distances from a focus to the endpoints of the major axis

  6. Bohr–Sommerfeld model - Wikipedia

    en.wikipedia.org/wiki/Bohr–Sommerfeld_model

    The Bohr–Sommerfeld model (also known as the Sommerfeld model or Bohr–Sommerfeld theory) was an extension of the Bohr model to allow elliptical orbits of electrons around an atomic nucleus. Bohr–Sommerfeld theory is named after Danish physicist Niels Bohr and German physicist Arnold Sommerfeld .

  7. Verb phrase ellipsis - Wikipedia

    en.wikipedia.org/wiki/Verb_phrase_ellipsis

    Forward VPE in English. In linguistics, ' Verb phrase ellipsis ' (VP ellipsis or VPE) is a type of grammatical omission where a verb phrase is left out (elided) but its meaning can still be inferred from context.

  8. Ellipsograph - Wikipedia

    en.wikipedia.org/wiki/Ellipsograph

    The motion of the rod is termed elliptical motion. The semi-axes a and b of the ellipses have lengths equal to the distances from the point on the rod to each of the two pivots. The straight lines described by the pivots are special cases of an ellipse, where the length of one axis is twice the distance between the pivots and that of the other ...

  9. Copula (statistics) - Wikipedia

    en.wikipedia.org/wiki/Copula_(statistics)

    The Gaussian copula is lacking as it only allows for an elliptical dependence structure, as dependence is only modeled using the variance-covariance matrix. [28] This methodology is limited such that it does not allow for dependence to evolve as the financial markets exhibit asymmetric dependence, whereby correlations across assets ...