- Sarrus rule
- Математика: правило Сарруса
Универсальный англо-русский словарь. Академик.ру. 2011.
Sarrus rule
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Rule of Sarrus — Sarrus rule or Sarrus scheme is a method and a memorization scheme to compute the determinant of a 3x3 matrix. It is named after the French mathematician Pierre Frédéric Sarrus.Consider a 3x3 matrix M=egin{pmatrix} a {11} a {12} a {13} a {21} a… … Wikipedia
Pierre Frédéric Sarrus — (10 March 1798, Saint Affrique 20 November 1861) was a French mathematician.Sarrus (Sarri Sarri) was professor at the University of Strasbourg, France (1826 1856) and member of the Academy of Sciences in Paris (1842).He is author of several… … Wikipedia
Cross product — This article is about the cross product of two vectors in three dimensional Euclidean space. For other uses, see Cross product (disambiguation). In mathematics, the cross product, vector product, or Gibbs vector product is a binary operation on… … Wikipedia
List of mathematics articles (R) — NOTOC R R. A. Fisher Lectureship Rabdology Rabin automaton Rabin signature algorithm Rabinovich Fabrikant equations Rabinowitsch trick Racah polynomials Racah W coefficient Racetrack (game) Racks and quandles Radar chart Rademacher complexity… … Wikipedia
Determinant — This article is about determinants in mathematics. For determinants in epidemiology, see Risk factor. In linear algebra, the determinant is a value associated with a square matrix. It can be computed from the entries of the matrix by a specific… … Wikipedia
Matrix (mathematics) — Specific elements of a matrix are often denoted by a variable with two subscripts. For instance, a2,1 represents the element at the second row and first column of a matrix A. In mathematics, a matrix (plural matrices, or less commonly matrixes)… … Wikipedia
Invertible matrix — In linear algebra an n by n (square) matrix A is called invertible (some authors use nonsingular or nondegenerate) if there exists an n by n matrix B such that where In denotes the n by n identity matrix and the multiplication used is ordinary… … Wikipedia
Calculus of variations — is a field of mathematics that deals with extremizing functionals, as opposed to ordinary calculus which deals with functions. A functional is usually a mapping from a set of functions to the real numbers. Functionals are often formed as definite … Wikipedia
