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  2. 2020 Indonesian census - Wikipedia

    en.wikipedia.org/wiki/2020_Indonesian_census

    The Statistics Indonesia in 2018 has released the official projection of Indonesia's population 2015–2045, [3] which are based on previous census in 2010 and the 2015 Indonesian population survey between censuses (SUPAS).

  3. Halley's method - Wikipedia

    en.wikipedia.org/wiki/Halley's_method

    In numerical analysis, Halley's method is a root-finding algorithm used for functions of one real variable with a continuous second derivative. Edmond Halley was an English mathematician and astronomer who introduced the method now called by his name.

  4. Map algebra - Wikipedia

    en.wikipedia.org/wiki/Map_algebra

    Map algebra is an algebra for manipulating geographic data, primarily fields.Developed by Dr. Dana Tomlin and others in the late 1970s, it is a set of primitive operations in a geographic information system (GIS) which allows one or more raster layers ("maps") of similar dimensions to produce a new raster layer (map) using mathematical or other operations such as addition, subtraction etc.

  5. Mechanical calculator - Wikipedia

    en.wikipedia.org/wiki/Mechanical_calculator

    This article may require cleanup to meet Wikipedia's quality standards.The specific problem is: the article goes on for way too long about various technical aspects that aren't necessary for the article.

  6. Random projection - Wikipedia

    en.wikipedia.org/wiki/Random_projection

    The core idea behind random projection is given in the Johnson-Lindenstrauss lemma, [2] which states that if points in a vector space are of sufficiently high dimension, then they may be projected into a suitable lower-dimensional space in a way which approximately preserves pairwise distances between the points with high probability.

  7. Paul Bernays - Wikipedia

    en.wikipedia.org/wiki/Paul_Bernays

    Bernays was born into a distinguished German-Jewish family of scholars and businessmen. His great-grandfather, Isaac ben Jacob Bernays, served as chief rabbi of Hamburg from 1821 to 1849.

  8. Arithmetic - Wikipedia

    en.wikipedia.org/wiki/Arithmetic

    Arithmetic is the fundamental branch of mathematics that studies numbers and their operations. In particular, it deals with numerical calculations using the arithmetic operations of addition, subtraction, multiplication, and division. [1]

  9. Map projection - Wikipedia

    en.wikipedia.org/wiki/Map_projection

    A medieval depiction of the Ecumene (1482, Johannes Schnitzer, engraver), constructed after the coordinates in Ptolemy's Geography and using his second map projection. In cartography, a map projection is any of a broad set of transformations employed to represent the curved two-dimensional surface of a globe on a plane.