- Alexander matrix
In
mathematics , an Alexander matrix is a presentation matrix for theAlexander invariant of a knot.ee also
Alexander polynomial References
Wikimedia Foundation. 2010.
Alexander matrix
Look at other dictionaries:
Alexander polynomial — In mathematics, the Alexander polynomial is a knot invariant which assigns a polynomial with integer coefficients to each knot type. James Waddell Alexander II discovered this, the first knot polynomial, in 1923. In 1969, John Conway showed a… … Wikipedia
Matrix Games — Тип Частная компания Год основания 2001 Расположение Статен … Википедия
Matrix (Film) — Filmdaten Deutscher Titel Matrix Originaltitel The Matrix … Deutsch Wikipedia
Matrix Games — For the Japanese company, see Matrix Software. Matrix Games Industry Strategy and Wargames for Personal Computers. Founded 1999 Headquarters Staten Island, New York Key … Wikipedia
Alexander, Samuel — ▪ British philosopher born Jan. 6, 1859, Sydney, N.S.W. [Australia] died Sept. 13, 1938, Manchester, Eng. philosopher who developed a metaphysics of emergent evolution involving time, space, matter, mind, and deity. After studying in… … Universalium
Hadamard matrix — In mathematics, a Hadamard matrix is a square matrix whose entries are either +1 or −1 and whose rows are mutually orthogonal. This means that every two different rows in a Hadamard matrix represent two perpendicular vectors. Such matrices can… … Wikipedia
Design structure matrix — The design structure matrix (DSM) (also referred to as dependency structure method, dependency structure matrix, problem solving matrix (PSM), incidence matrix, n square matrix or design precedence matrix) is a compact, matrix representation of a … Wikipedia
Design Structure Matrix — The design structure matrix (DSM) is a system modeling tool. It has two main strengths. First, it can represent a large number of system elements and their relationships in a compact way that highlights important patterns in the data (such as… … Wikipedia
Weighing matrix — In mathematics, a weighing matrix W of order n with weight w is an n times; n (0,1, 1) matrix such that WW^{T}=wI. A weighing matrix is also called a weighing design.For convenience, a weighing matrix of order n and weight w is often denoted by… … Wikipedia
M-matrix — In mathematics, especially linear algebra, an M matrix is a Z matrix with eigenvalues whose real parts are positive. M matrices are a subset of the class of P matrices, and also of the class of inverse positive matrices [Takao Fujimoto and… … Wikipedia
