# or+characteristic

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**Characteristic (algebra)**— In mathematics, the characteristic of a ring R, often denoted char(R), is defined to be the smallest number of times one must use the ring s multiplicative identity element (1) in a sum to get the additive identity element (0); the ring is said… …32

**Characteristic set**— The mathematical concept of a characteristic set was discovered in the late forties by J.F. Ritt. Besides Gröbner basis method, it provides an alternative algorithmic way for solving multivariate polynomial equations or differential equations.In… …33

**Characteristic equation (calculus)**— In mathematics, the characteristic equation (or auxiliary equation[1]) is an algebraic equation of degree on which depends the solutions of a given th order differential equation.[2] The characteristic equation can only be formed when the… …34

**Characteristic impedance**— This article is about impedance in electronics. For impedance of electromagnetic waves, see Wave impedance. For characteristic acoustic impedance, see Acoustic impedance. Schematic representation of a circuit where a source is coupled to a load… …35

**Characteristic based product configurator**— A characteristic based product configurator is a product configurator extension which uses a set of discrete variables, called characteristics (or features), to define all the possible product variations. The characteristics There are two… …36

**Characteristic state function**— The characteristic state function in statistical mechanics refers to a particular relationship between the partition function of an ensemble. In particular, if the partition function P satisfies P = exp( − βQ) or P = exp( + βQ) in which Q is a… …37

**Characteristic exponent**— In mathematics, the term characteristic exponent may refer to: Characteristic exponent of a field, a number equal to 1 if the field has characteristic 0, and equal to p if the field has characteristic p > 0 Lyapunov characteristic exponent, a… …38

**characteristic**— char|ac|ter|is|tic1 W2S3 [ˌkærıktəˈrıstık] n [C usually plural] a quality or feature of something or someone that is typical of them and easy to recognize characteristic of ▪ a baby discovering the physical characteristics of objects… …39

**characteristic */*/**— I UK [ˌkærɪktəˈrɪstɪk] / US [ˌkerəktəˈrɪstɪk] noun [countable] Word forms characteristic : singular characteristic plural characteristics a particular quality or feature that is typical of someone or something In the future parents may be able to …40

**Characteristic function**— In mathematics, characteristic function can refer to any of several distinct concepts: The most common and universal usage is as a synonym for indicator function, that is the function which for every subset A of X, has value 1 at points of A and… …