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  2. Fourier–Motzkin elimination - Wikipedia

    en.wikipedia.org/wiki/Fourier–Motzkin_elimination

    Given a linear constraints system, if the -th inequality is satisfied for any solution of all other inequalities, then it is redundant. Similarly, STIs refers to inequalities that are implied by the non-negativity of information theoretic measures and basic identities they satisfy.

  3. Farkas' lemma - Wikipedia

    en.wikipedia.org/wiki/Farkas'_lemma

    In mathematics, Farkas' lemma is a solvability theorem for a finite system of linear inequalities. It was originally proven by the Hungarian mathematician Gyula Farkas . [ 1 ] Farkas' lemma is the key result underpinning the linear programming duality and has played a central role in the development of mathematical optimization (alternatively ...

  4. Relaxation (iterative method) - Wikipedia

    en.wikipedia.org/wiki/Relaxation_(iterative_method)

    Relaxation methods were developed for solving large sparse linear systems, which arose as finite-difference discretizations of differential equations. [2] [3] They are also used for the solution of linear equations for linear least-squares problems [4] and also for systems of linear inequalities, such as those arising in linear programming.

  5. Linear programming - Wikipedia

    en.wikipedia.org/wiki/Linear_programming

    More formally, linear programming is a technique for the optimization of a linear objective function, subject to linear equality and linear inequality constraints. Its feasible region is a convex polytope , which is a set defined as the intersection of finitely many half spaces , each of which is defined by a linear inequality.

  6. Forbes 500 - Wikipedia

    en.wikipedia.org/wiki/Forbes_500

    The Forbes 500 was an annual listing of the top 500 American companies produced by Forbes magazine. [ 1 ] [ 2 ] The list was calculated by combining five factors: sales, profits, assets, market value, and employees. [ 3 ]

  7. Linear inequality - Wikipedia

    en.wikipedia.org/wiki/Linear_inequality

    A linear programming problem seeks to optimize (find a maximum or minimum value) a function (called the objective function) subject to a number of constraints on the variables which, in general, are linear inequalities. [6] The list of constraints is a system of linear inequalities.

  8. Mathematical economics - Wikipedia

    en.wikipedia.org/wiki/Mathematical_economics

    The solution of the resulting system of equations (both linear and non-linear) is the general equilibrium. [25] At the time, no general solution could be expressed for a system of arbitrarily many equations, but Walras's attempts produced two famous results in economics. The first is Walras' law and the second is the principle of tâtonnement.

  9. List of countries by income inequality - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    List of countries by income inequality based on Pre-tax national income share held by top 10% of the population, Income Decile 1 and Interdecile P90/P10; Country/Territory UN Region World Bank Income group (2024) Pre-tax national income Top 10% share [a] Income Decile 1 [b] Interdecile P90/P10 [c] World Inequality Database [9] Year UNU-WIDER [3 ...