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  2. Help:Conditional expressions - Wikipedia

    en.wikipedia.org/wiki/Help:Conditional_expressions

    The #ifexist function selects one of two alternatives depending on whether a page exists at the specified title. {{#ifexist: page title | value if page exists | value if page doesn't exist}} The page can be in any namespace, so it can be an article or "content page", an image or other media file, a category, etc.

  3. Unity (game engine) - Wikipedia

    en.wikipedia.org/wiki/Unity_(game_engine)

    Unity is a cross-platform game engine developed by Unity Technologies, first announced and released in June 2005 at Apple Worldwide Developers Conference as a Mac OS X game engine.

  4. Help:List - Wikipedia

    en.wikipedia.org/wiki/Help:List

    ''Title of list:'' example 1, example 2, example 3 Title of list: example 1, example 2, example 3 This style requires less space on the page, and is preferred if there are only a few entries in the list, it can be read easily, and a direct edit point is not required. The list items should start with a lowercase letter unless they are proper nouns.

  5. Partition of unity - Wikipedia

    en.wikipedia.org/wiki/Partition_of_unity

    In mathematics, a partition of unity of a topological space ⁠ ⁠ is a set ⁠ ⁠ of continuous functions from ⁠ ⁠ to the unit interval [0,1] such that for every point : there is a neighbourhood of ⁠ x {\displaystyle x} ⁠ where all but a finite number of the functions of ⁠ R {\displaystyle R} ⁠ are 0, and

  6. Root of unity - Wikipedia

    en.wikipedia.org/wiki/Root_of_unity

    The n th roots of unity form under multiplication a cyclic group of order n, and in fact these groups comprise all of the finite subgroups of the multiplicative group of the complex number field. A generator for this cyclic group is a primitive n th root of unity. The n th roots of unity form an irreducible representation of any cyclic group of ...