scalar of dyadic
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Dyadic tensor — In multilinear algebra, a dyadic is a second rank tensor written in a special notation, formed by juxtaposing pairs of vectors, along with a notation for manipulating such expressions analogous to the rules for matrix algebra. Each component of a … Wikipedia
History of quaternions — This article is an indepth story of the history of quaternions. It tells the story of who and when. To find out what quaternions are see quaternions and to learn about historical quaternion notation of the 19th century see classical quaternions… … Wikipedia
APL (programming language) — APL Paradigm(s) array, functional, structured, modular Appeared in 1964 Designed by Kenneth E. Iverson Developer Kenneth E. Iverson … Wikipedia
Tensor contraction — In multilinear algebra, a tensor contraction is an operation on one or more tensors that arises from the natural pairing of a finite dimensional vector space and its dual. In components, it is expressed as a sum of products of scalar components… … Wikipedia
Sherman–Morrison formula — In mathematics, in particular linear algebra, the Sherman–Morrison formula,Jack Sherman and Winifred J. Morrison, [http://projecteuclid.org/euclid.aoms/1177729940 Adjustment of an Inverse Matrix Corresponding to Changes in the Elements of a Given … Wikipedia
Curvilinear coordinates — Curvilinear, affine, and Cartesian coordinates in two dimensional space Curvilinear coordinates are a coordinate system for Euclidean space in which the coordinate lines may be curved. These coordinates may be derived from a set of Cartesian… … Wikipedia
Tensor product — In mathematics, the tensor product, denoted by otimes, may be applied in different contexts to vectors, matrices, tensors, vector spaces, algebras, topological vector spaces, and modules. In each case the significance of the symbol is the same:… … Wikipedia
Laplace–Runge–Lenz vector — Throughout this article, vectors and their magnitudes are indicated by boldface and italic type, respectively; for example, left| mathbf{A} ight| = A. In classical mechanics, the Laplace–Runge–Lenz vector (or simply the LRL vector) is a vector… … Wikipedia
Del — For other uses, see Del (disambiguation). ∇ Del operator, represented by the nabla symbol In vector calculus, del is a vector differential operator, usually represented by the nabla symbol . When applied to a function defined on a one dimensional … Wikipedia
Quaternion — Quaternions, in mathematics, are a non commutative extension of complex numbers. They were first described by the Irish mathematician Sir William Rowan Hamilton in 1843 and applied to mechanics in three dimensional space. They find uses in both… … Wikipedia
Electric field integral equation — The electric field integral equation is a relationship that allows one to calculate the electric field intensity E generated by an electric current distribution J .DerivationWe consider all quantities in the frequency domain, and so assume a time … Wikipedia
