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 (4,787 words) - 04:58, 22 February 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) - 13:48, 22 April 2025
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 (5,937 words) - 20:36, 2 May 2025
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...
91 KB (14,581 words) - 11:59, 15 May 2025
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...
16 KB (3,197 words) - 13:38, 24 March 2025
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...
17 KB (2,457 words) - 21:18, 2 May 2025
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 (7,644 words) - 15:51, 13 April 2025
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) - 21:06, 14 April 2025
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) - 21:09, 14 April 2025
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...
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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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then the corresponding matrix series converges for matrices A such that ‖ A ‖ < r {\displaystyle \|A\|<r} for some matrix norm that satisfies ‖ A B ‖...
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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 = [...
102 KB (15,724 words) - 13:01, 9 May 2025
the matrix measure or the Lozinskiĭ measure. Let A {\displaystyle A} be a square matrix and ‖ ⋅ ‖ {\displaystyle \|\cdot \|} be an induced matrix norm. The...
13 KB (2,507 words) - 09:26, 20 December 2024
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 (502 words) - 03:31, 3 February 2025
the same as Schatten norm. In fact, we have ‖ A ‖ matrix p-norm , 2 = ‖ A ‖ Schatten , ∞ {\displaystyle \|A\|_{{\text{matrix p-norm}},2}=\|A\|_{{\text{Schatten}}...
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normal operators on infinite-dimensional normed spaces and to normal elements in C*-algebras. As in the matrix case, normality means commutativity is preserved...
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{\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...
25 KB (2,920 words) - 00:01, 9 May 2025
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...
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{\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...
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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...
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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...
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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 | =...
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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...
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In linear algebra, a Toeplitz matrix or diagonal-constant matrix, named after Otto Toeplitz, is a matrix in which each descending diagonal from left to...
15 KB (2,056 words) - 21:08, 14 April 2025
In mathematics, the matrix exponential is a matrix function on square matrices analogous to the ordinary exponential function. It is used to solve systems...
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in the Matrix franchise to be directed solely by Lana. It is the sequel to The Matrix Revolutions (2003) and the fourth installment in The Matrix film series...
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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...
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In mathematics, the (field) norm is a particular mapping defined in field theory, which maps elements of a larger field into a subfield. Let K be a field...
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Eigenvalue algorithm (redirect from Matrix eigenvalue problem)
the matrix condition number κ(A−1, b) is given by ||A||op||A−1||op, where || ||op is the operator norm subordinate to the normal Euclidean norm on Cn...
40 KB (4,870 words) - 01:55, 13 March 2025