norms are referred to as matrix norms. Matrix norms differ from vector norms in that they must also interact with matrix multiplication. Given a field ...
28 KB (4,744 words) - 02:15, 1 January 2025
{R} ^{m},} then the matrix norm given to a matrix A {\displaystyle A} is the square root of the largest eigenvalue of the matrix A ∗ A {\displaystyle...
15 KB (2,552 words) - 15:18, 15 April 2024
identity matrix, this norm corresponds to the Euclidean norm. If A {\displaystyle A} is diagonal, this norm is also called a weighted norm. The energy norm is...
36 KB (5,963 words) - 12:18, 1 January 2025
size to any vector in a vector space Matrix norm, a map that assigns a length or size to a matrix Operator norm, a map that assigns a length or size to...
3 KB (490 words) - 01:53, 31 October 2024
Spectral radius (redirect from Power sequence (matrix))
infimum of all norms of a matrix. Indeed, on the one hand, ρ ( A ) ⩽ ‖ A ‖ {\displaystyle \rho (A)\leqslant \|A\|} for every natural matrix norm ‖ ⋅ ‖ {\displaystyle...
18 KB (3,193 words) - 00:03, 21 November 2024
In linear algebra, an orthogonal matrix, or orthonormal matrix, is a real square matrix whose columns and rows are orthonormal vectors. One way to express...
36 KB (4,826 words) - 18:19, 27 December 2024
Condition number (redirect from Ill-conditioned matrix)
choice of norm, as can be illustrated by two examples. If ‖ ⋅ ‖ {\displaystyle \|\cdot \|} is the matrix norm induced by the (vector) Euclidean norm (sometimes...
18 KB (2,640 words) - 19:58, 8 December 2024
Singular value decomposition (redirect from Ky Fan norm)
addition, the Frobenius norm and the trace norm (the nuclear norm) are special cases of the Schatten norm. The singular values of a matrix A {\displaystyle...
88 KB (14,054 words) - 17:40, 15 December 2024
In mathematics, a triangular matrix is a special kind of square matrix. A square matrix is called lower triangular if all the entries above the main diagonal...
21 KB (3,152 words) - 10:34, 12 November 2024
rotation matrix is a transformation matrix that is used to perform a rotation in Euclidean space. For example, using the convention below, the matrix R = [...
99 KB (15,045 words) - 13:07, 31 December 2024
Moore–Penrose inverse (redirect from Moore-Penrose Matrix Inverse)
\left(A_{n}\right)} converges to the matrix A {\displaystyle A} (in the maximum norm or Frobenius norm, say), then ( A n ) + {\displaystyle (A_{n})^{+}}...
47 KB (7,597 words) - 17:11, 26 December 2024
matrix is an orthogonal matrix. Unitary matrices have significant importance in quantum mechanics because they preserve norms, and thus, probability amplitudes...
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particular matrix. The norm of a matrix is a positive real number. For all matrices A and B in Mmn(F), and all numbers α in F, a matrix norm, delimited...
9 KB (1,133 words) - 07:18, 17 December 2023
the vector norm enforcing a regularization penalty on x {\displaystyle x} has been extended to a matrix norm on X {\displaystyle X} . Matrix regularization...
15 KB (2,510 words) - 03:39, 2 May 2024
subset of n-by-n matrix units in the set of n-by-n matrices over R. The matrix norm (induced by the same two vector norms) of a matrix unit is equal to...
2 KB (384 words) - 13:44, 16 January 2023
{\displaystyle P} and I − P {\displaystyle I-P} are equal, and thus that the matrix norm of the oblique projections are the same. However, the condition number...
34 KB (5,803 words) - 07:02, 14 December 2024
then the corresponding matrix series converges for matrices A such that ‖ A ‖ < r {\displaystyle \|A\|<r} for some matrix norm that satisfies ‖ A B ‖...
12 KB (2,213 words) - 10:45, 12 November 2024
the matrix measure or the Lozinskiĭ measure. Let A {\displaystyle A} be a square matrix and ‖ ⋅ ‖ {\displaystyle \|\cdot \|} be an induced matrix norm. The...
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Hardy space Sobolev space Tsirelson space ba space Uniform norm Matrix norm Spectral radius Normed division algebra Stone–Weierstrass theorem Banach algebra...
5 KB (475 words) - 23:38, 19 July 2023
{\displaystyle CD} " norm: ‖ A ‖ {\displaystyle \|A\|} , read "the norm (length, size, magnitude etc.) of the matrix A {\displaystyle A} ". The norm of a one-dimensional...
26 KB (3,038 words) - 21:13, 13 December 2024
= 1 is often referred to as the nuclear norm (also known as the trace norm, or the Ky Fan n-norm) Matrix norms Fack, Thierry; Kosaki, Hideki (1986). "Generalized...
6 KB (1,074 words) - 03:34, 30 November 2024
The Matrix is an American cyberpunk media franchise consisting of four feature films, beginning with The Matrix (1999) and continuing with three sequels...
93 KB (7,487 words) - 09:18, 13 December 2024
In mathematics, the matrix exponential is a matrix function on square matrices analogous to the ordinary exponential function. It is used to solve systems...
55 KB (10,417 words) - 08:08, 16 December 2024
Matrix Resurrections is a 2021 American science fiction action film produced, co-written, and directed by Lana Wachowski, and the first in the Matrix...
103 KB (9,514 words) - 23:23, 2 January 2025
the matrix is very small. The norm of a matrix can be used to capture the conditioning of linear algebraic problems, such as computing a matrix's inverse...
108 KB (13,476 words) - 09:46, 2 January 2025
abstract algebra, a matrix ring is a set of matrices with entries in a ring R that form a ring under matrix addition and matrix multiplication. The set...
13 KB (1,812 words) - 00:20, 24 September 2024
Neumann series (section Approximate matrix inversion)
{\displaystyle n} goes to infinity, the matrix norm of C {\displaystyle C} must be smaller than unity. This norm is | | C | | ∞ = max i ∑ j | c i j | =...
6 KB (1,128 words) - 03:01, 24 September 2024
normal operators on infinite-dimensional normed spaces and to normal elements in C*-algebras. As in the matrix case, normality means commutativity is preserved...
13 KB (1,656 words) - 01:07, 5 June 2024
Polar decomposition (redirect from Matrix polar decomposition)
complex matrix A {\displaystyle A} is a factorization of the form A = U P {\displaystyle A=UP} , where U {\displaystyle U} is a unitary matrix and P {\displaystyle...
25 KB (4,218 words) - 12:36, 19 December 2024
Lax equivalence theorem. Stability in this context means that a matrix norm of the matrix used in the iteration is at most unity, called (practical) Lax–Richtmyer...
3 KB (317 words) - 04:47, 23 October 2022