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  2. Comparison of numerical-analysis software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_numerical...

    13.1 December 23, 2022: Free BSD 3-clause (aka new) Automatic differentiation makes it well suited to complex minimization problems Analytica: Lumina Decision Systems 1982 (Demos) 4.6 May 2015: Free (Analytica Free 101), $995 (professional), $2795 (enterprise) Proprietary

  3. Comparison of optimization software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_optimization...

    Given a system transforming a set of inputs to output values, described by a mathematical function f, optimization refers to the generation and selection of the best solution from some set of available alternatives, [1] by systematically choosing input values from within an allowed set, computing the value of the function, and recording the best value found during the process.

  4. Chisanbop - Wikipedia

    en.wikipedia.org/wiki/Chisanbop

    36 represented in chisanbop, where four fingers and a thumb are touching the table and the rest of the digits are raised. The three fingers on the left hand represent 10+10+10 = 30; the thumb and one finger on the right hand represent 5+1=6. Counting from 1 to 20 in Chisanbop. Each finger has a value of one, while the thumb has a value of five.

  5. Counting problem (complexity) - Wikipedia

    en.wikipedia.org/wiki/Counting_problem_(complexity)

    In computational complexity theory and computability theory, a counting problem is a type of computational problem. If R is a search problem then c R ( x ) = | { y ∣ R ( x , y ) } | {\displaystyle c_{R}(x)=\vert \{y\mid R(x,y)\}\vert \,}

  6. Wolframite - Wikipedia

    en.wikipedia.org/wiki/Wolframite

    Wolframite is an iron, manganese, and tungstate mineral with a chemical formula of (Fe,Mn)WO 4 that is the intermediate mineral between ferberite (Fe 2+ rich) and hübnerite (Mn 2+ rich). [4] Along with scheelite , the wolframite series are the most important tungsten ore minerals.

  7. Computable Document Format - Wikipedia

    en.wikipedia.org/wiki/Computable_Document_Format

    Computable Document Format (CDF) is an electronic document format [1] designed to allow authoring dynamically generated, interactive content. [2] CDF was created by Wolfram Research , and CDF files can be created using Mathematica . [ 3 ]

  8. Wolfram - Wikipedia

    en.wikipedia.org/wiki/Wolfram

    Wolfram may refer to: Wolfram (name), a Germanic masculine given name and a surname (includes a list of people with the name) Wolfram (musician), an Austrian DJ; Wolfram (element), the original name for the chemical element best known as tungsten; Wolfram Research, a software company known for the symbolic computation program Mathematica

  9. Scheelite - Wikipedia

    en.wikipedia.org/wiki/Scheelite

    Scheelite is a calcium tungstate mineral with the chemical formula Ca W O 4. It is an important ore of tungsten (wolfram). Scheelite is originally named after Swedish chemist Carl Wilhelm Scheele (1742–1786). Well-formed crystals are sought by collectors and are occasionally fashioned into gemstones when suitably free of flaws.