# definite

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**definite host**— noun : definitive host …102

**definite quadratic form**— noun : a quadratic form that is always positive or always negative for every set of values of the variables involved in it except when all the variables are zero in which case the form has the value zero …103

**definite-time**— | ̷ ̷( ̷ ̷) ̷ ̷| ̷ ̷ adjective : having a purposely delayed action, the periods of delay being substantially alike regardless of the magnitude of the operating forces used especially of relays …104

**definite relative pronoun**— a relative pronoun that refers to an antecedent, as who in It was I who told you …105

**definite description**— …106

**Positive-definite matrix**— In linear algebra, a positive definite matrix is a matrix that in many ways is analogous to a positive real number. The notion is closely related to a positive definite symmetric bilinear form (or a sesquilinear form in the complex case). The… …107

**Positive-definite function**— In mathematics, the term positive definite function may refer to a couple of different concepts. Contents 1 In dynamical systems 2 In analysis 2.1 Bochner s theorem 2.1.1 Applications …108

**Positive definite function on a group**— In operator theory, a positive definite function on a group relates the notions of positivity, in the context of Hilbert spaces, and algebraic groups. It can be viewed as a particular type of positive definite kernel where the underlying set has… …109

**Positive definite kernel**— In operator theory, a positive definite kernel is a generalization of a positive matrix. Definition Let :{ H n } {n in {mathbb Z be a sequence of (complex) Hilbert spaces and :mathcal{L}(H i, H j)be the bounded operators from Hi to Hj . A map A… …110

**Law of definite proportions**— In chemistry, the law of definite proportions, sometimes called Proust s Law, states that a chemical compound always contains exactly the same proportion of elements by mass. An equivalent statement is the law of constant composition, which… …