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  2. Convergence tests - Wikipedia

    en.wikipedia.org/wiki/Convergence_tests

    While most of the tests deal with the convergence of infinite series, they can also be used to show the convergence or divergence of infinite products. This can be achieved using following theorem: Let { a n } n = 1 ∞ {\displaystyle \left\{a_{n}\right\}_{n=1}^{\infty }} be a sequence of positive numbers.

  3. Vergence-accommodation conflict - Wikipedia

    en.wikipedia.org/wiki/Vergence-accommodation...

    Both of these mechanisms are neurally linked forming the accommodation-convergence reflex [1] of eyes. One can distinguish vergence distance ‍ — ‍ a distance of a point towards which both eyes are converging, and an accommodation distance ‍ — ‍ a distance of a region in space towards which the focus or refractive power of the ...

  4. Models of communication - Wikipedia

    en.wikipedia.org/wiki/Models_of_communication

    Relational models are closely related to convergence models. [65] For convergence models, the goal of communication is convergence: to reach a mutual understanding. Feedback plays a central role in this regard: effective feedback helps achieve this goal while ineffective feedback leads to divergence. [67] [68]

  5. Communication accommodation theory - Wikipedia

    en.wikipedia.org/wiki/Communication...

    The causal attribution theory "[s]uggests that we interpret other people's behavior, and evaluate the individual themselves, in terms of the motivations and intentions that we attribute as the cause of their behavior" [11] It applies to convergence in that convergence might be viewed positively or negatively depending on the causes we attribute ...

  6. Dirichlet's test - Wikipedia

    en.wikipedia.org/wiki/Dirichlet's_test

    In mathematics, Dirichlet's test is a method of testing for the convergence of a series. It is named after its author Peter Gustav Lejeune Dirichlet , and was published posthumously in the Journal de Mathématiques Pures et Appliquées in 1862.

  7. Interactivity - Wikipedia

    en.wikipedia.org/wiki/Interactivity

    Human interactivity. Across the many fields concerned with interactivity, including information science, computer science, human-computer interaction, communication, and industrial design, there is little agreement over the meaning of the term "interactivity", but most definitions are related to interaction between users and computers and other machines through a user interface.

  8. Double Diamond (design process model) - Wikipedia

    en.wikipedia.org/wiki/Double_Diamond_(design...

    The Design Council's visual representation of their Double Diamond design and innovation process. Double Diamond is the name of a design process model popularized by the British Design Council in 2005. [1] The process was adapted from the divergence-convergence model proposed in 1996 by Hungarian-American linguist Béla H. Bánáthy.

  9. Accommodation (vertebrate eye) - Wikipedia

    en.wikipedia.org/wiki/Accommodation_(vertebrate_eye)

    While it is well understood that proper convergence is necessary to prevent diplopia, the functional role of the pupillary constriction remains less clear. Arguably, it may increase the depth of field by reducing the aperture of the eye, and thus reduce the amount of accommodation needed to bring the image in focus on the retina.