In physics, the S-matrix or scattering matrix relates the initial state and the final state of a physical system undergoing a scattering process. It is...
50 KB (9,198 words) - 09:53, 18 August 2024
replacing it with abstract mathematical properties of the S-matrix. In S-matrix theory, the S-matrix relates the infinite past to the infinite future in one...
7 KB (909 words) - 02:46, 18 April 2023
In mathematics, a block matrix or a partitioned matrix is a matrix that is interpreted as having been broken into sections called blocks or submatrices...
29 KB (4,768 words) - 15:57, 12 August 2024
computer science, an adjacency matrix is a square matrix used to represent a finite graph. The elements of the matrix indicate whether pairs of vertices...
20 KB (2,461 words) - 04:03, 27 August 2024
In mathematics, a matrix (pl.: matrices) is a rectangular array or table of numbers, symbols, or expressions, with elements or entries arranged in rows...
106 KB (13,107 words) - 02:49, 27 August 2024
theory where they can be used to calculate various observables such as S-matrix elements. They are closely related to correlation functions between random...
10 KB (1,715 words) - 17:19, 23 April 2024
\phi } 's if one uses the S-matrix to swap the two ψ {\displaystyle \psi } 's. Identifying the coefficients of the ϕ {\displaystyle \phi } 's on both...
17 KB (2,563 words) - 16:38, 16 November 2023
n-by-n square matrix A is called invertible (also nonsingular, nondegenerate or rarely regular) if there exists an n-by-n square matrix B such that A...
46 KB (6,940 words) - 00:07, 6 July 2024
covariance matrix (also known as auto-covariance matrix, dispersion matrix, variance matrix, or variance–covariance matrix) is a square matrix giving the...
34 KB (5,420 words) - 12:04, 3 September 2024
Scattering parameters (redirect from S-parameters)
Scattering parameters or S-parameters (the elements of a scattering matrix or S-matrix) describe the electrical behavior of linear electrical networks...
45 KB (7,420 words) - 04:54, 31 July 2024