linear scheme
81Finite difference method — In mathematics, finite difference methods are numerical methods for approximating the solutions to differential equations using finite difference equations to approximate derivatives. Intuitive derivation Finite difference methods approximate the …
82Unbalanced Oil and Vinegar — The Unbalanced Oil and Vinegar scheme is a modified version of the Oil and Vinegar scheme designed by J. Patarin. Both are Digital signature schemes, used in Cryptography. They belong to the group of Multivariate Cryptography. The security of… …
83Markov chain — A simple two state Markov chain. A Markov chain, named for Andrey Markov, is a mathematical system that undergoes transitions from one state to another, between a finite or countable number of possible states. It is a random process characterized …
84Discontinuous Deformation Analysis — (DDA) is a type of discrete element method originally proposed by Shi in 1988. DDA is somewhat similar to the finite element method for solving stress displacement problems, but accounts for the interaction of independent particles (blocks) along …
85Thematic development of Italian Renaissance painting — This article about the development of themes in Italian Renaissance painting is an extension to the article Italian Renaissance painting, for which it provides additional pictures with commentary. The works encompassed are from Giotto in the… …
86United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
87DV — For other uses, see DV (disambiguation). DV compatibility mark DV is a format for the digital recording and playing back of digital video. The DV codec was launched in 1995 with joint efforts of leading producers of video camcorders. The original …
88Orthogonality — The line segments AB and CD are orthogonal to each other. Orthogonality occurs when two things can vary independently, they are uncorrelated, or they are perpendicular. Contents 1 Mathematics …
89Reverse mathematics — is a program in mathematical logic that seeks to determine which axioms are required to prove theorems of mathematics. The method can briefly be described as going backwards from the theorems to the axioms. This contrasts with the ordinary… …
90Density of states — Condensed matter physics Phases · Phase tr …
