- principal value
-
Math.a value selected at a point in the domain of a multiple-valued function, chosen so that the function has a single value at the point.
* * *
Universalium. 2010.
principal value
Look at other dictionaries:
Principal value — In considering complex multiple valued functions in complex analysis, the principal values of a function are the values along one chosen branch of that function, so it is single valued. Motivation Consider the complex logarithm function log z .… … Wikipedia
principal value — pagrindinė vertė statusas T sritis fizika atitikmenys: angl. principal value vok. Grundwert, m; Hauptwert, m rus. главное значение, n pranc. valeur principale, f … Fizikos terminų žodynas
principal value — Math. a value selected at a point in the domain of a multiple valued function, chosen so that the function has a single value at the point … Useful english dictionary
principal value — That amount inscribed on the face of a security and exclusive of interest or premium. The amount is the one used in the computation of interest due on such a security. LIFFE … Financial and business terms
Cauchy principal value — In mathematics, the Cauchy principal value of certain improper integrals, named after Augustin Louis Cauchy, is defined as either* the finite number::lim {varepsilon ightarrow 0+} left [int a^{b varepsilon} f(x),dx+int {b+varepsilon}^c f(x),dx… … Wikipedia
Principal — may refer to: Education The head of an educational institution: *Principal (school), head of a primary or secondary school *Principal (university), chief executive of a university **Dean (education), a person with significant authority **Provost… … Wikipedia
Principal branch — In mathematics, a principal branch is a function which selects one branch, or slice , of a multi valued function. Most often, this applies to functions defined on the complex plane: see branch cut.One way to view a principal branch is to look… … Wikipedia
Principal part — In mathematics, the principal part has several independent meanings.Laurent seriesprincipal part of the Laurent series of a function f ( z ),: sum {k= infty}^infty a k (z a)^kis the series of terms with negative degree, that is: sum {k= infty}^{… … Wikipedia
Principal components analysis — Principal component analysis (PCA) is a vector space transform often used to reduce multidimensional data sets to lower dimensions for analysis. Depending on the field of application, it is also named the discrete Karhunen Loève transform (KLT),… … Wikipedia
Principal Officials Accountability System — (zh t|t=主要官員問責制), commonly referred to as the Ministerial system, sometimes the Accountability system, was introduced in Hong Kong by Chief Executive Tung Chee Hwa in July 2002. It is a system whereby all principal officials, including the Chief… … Wikipedia
