second order superscript

См. также в других словарях:

• Arithmetical hierarchy — In mathematical logic, the arithmetical hierarchy, arithmetic hierarchy or Kleene hierarchy classifies certain sets based on the complexity of formulas that define them. Any set that receives a classification is called arithmetical. The… …   Wikipedia

• formal logic — the branch of logic concerned exclusively with the principles of deductive reasoning and with the form rather than the content of propositions. [1855 60] * * * Introduction       the abstract study of propositions, statements, or assertively used …   Universalium

• Objectivity (frame invariance) — The concept of objectivity in science means that qualitative and quantitative descriptions of physical phenomena remain unchanged when the phenomena are observed under a variety of conditions. For example, physical processes (e.g. material… …   Wikipedia

• chemical kinetics — Introduction       the branch of physical chemistry (chemistry) that is concerned with understanding the rates of chemical reactions (chemical reaction). It is to be contrasted with thermodynamics, which deals with the direction in which a… …   Universalium

• Tensor — For other uses, see Tensor (disambiguation). Note that in common usage, the term tensor is also used to refer to a tensor field. Stress, a second order tensor. The tensor s components, in a three dimensional Cartesian coordinate system, form the… …   Wikipedia

• Markov 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 …   Wikipedia

• Superior letter — In typography and handwriting, a superior letter is a lower case letter placed above the baseline and made smaller than ordinary script. Formerly quite common in abbreviations, the original purpose was to make handwritten abbreviations clearly… …   Wikipedia

• Virtual work — on a system is the work resulting from either virtual forces acting through a real displacement or real forces acting through a virtual displacement. In this discussion, the term displacement may refer to a translation or a rotation, and the term …   Wikipedia

• Mutual fund separation theorem — In portfolio theory, a mutual fund separation theorem, mutual fund theorem, or separation theorem is a theorem stating that, under certain conditions, any investor s optimal portfolio can be constructed by holding each of certain mutual funds in… …   Wikipedia

• Cauchy-Euler equation — In mathematics, a Cauchy Euler equation (also Euler Cauchy equation) is a linear homogeneous ordinary differential equation with variable coefficients. They are sometimes known as equi dimensional equations. Because of its simple structure the… …   Wikipedia

• Associated Legendre function — Note: This article describes a very general class of functions. An important subclass of these functions mdash;those with integer ell and m mdash;are commonly called associated Legendre polynomials , even though they are not polynomials when m is …   Wikipedia