specifically in linear algebra, a linear subspace or vector subspace is a vector space that is a subset of some larger vector space. A linear subspace is usually...
33 KB (4,640 words) - 10:31, 27 March 2025
Vector space (redirect from Linear space)
are linearly independent if a linear combination results in the zero vector if and only if all its coefficients are zero. Linear subspace A linear subspace...
87 KB (11,491 words) - 13:11, 21 June 2025
In linear algebra, the order-r Krylov subspace generated by an n-by-n matrix A and a vector b of dimension n is the linear subspace spanned by the images...
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vector of the co-domain; the kernel is always a linear subspace of the domain. That is, given a linear map L : V → W between two vector spaces V and W...
24 KB (3,724 words) - 13:03, 11 June 2025
Affine space (redirect from Affine subspace)
a linear subspace (vector subspace) of a vector space produces an affine subspace of the vector space. One commonly says that this affine subspace has...
48 KB (7,537 words) - 05:07, 13 April 2025
In mathematics, an invariant subspace of a linear mapping T : V → V i.e. from some vector space V to itself, is a subspace W of V that is preserved by...
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V} is the smallest linear subspace of V {\displaystyle V} that contains S . {\displaystyle S.} It is the set of all finite linear combinations of the...
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of W {\displaystyle W} . Moreover, it maps linear subspaces in V {\displaystyle V} onto linear subspaces in W {\displaystyle W} (possibly of a lower...
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space A subset of a topological space endowed with the subspace topology Linear subspace, in linear algebra, a subset of a vector space that is closed under...
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Banach space (redirect from Linear Algebra/Banach Spaces)
the null space. The closed linear subspace M {\displaystyle M} of X {\displaystyle X} is said to be a complemented subspace of X {\displaystyle X} if M...
102 KB (17,049 words) - 16:58, 14 April 2025
Inner product space (redirect from Linear Algebra/Inner Product Space)
{\displaystyle {\overline {H}}.} This means that H {\displaystyle H} is a linear subspace of H ¯ , {\displaystyle {\overline {H}},} the inner product of H {\displaystyle...
57 KB (7,357 words) - 22:55, 19 May 2025
Space (mathematics) (redirect from Subspace (mathematics))
means of linear spaces, as follows. A n-dimensional linear subspace of a (n+1)-dimensional linear space, being itself a n-dimensional linear space, is...
69 KB (9,328 words) - 07:59, 25 June 2025
mathematical structures. These subsets are called linear subspaces. More precisely, a linear subspace of a vector space V over a field F is a subset W...
67 KB (7,974 words) - 01:21, 22 June 2025
Euclidean space (category Linear algebra)
subspaces: its Euclidean subspaces and its linear subspaces. Linear subspaces are Euclidean subspaces and a Euclidean subspace is a linear subspace if...
47 KB (6,967 words) - 08:16, 28 June 2025
Hahn–Banach theorem (category Linear algebra)
central result that allows the extension of bounded linear functionals defined on a vector subspace of some vector space to the whole space. The theorem...
77 KB (12,640 words) - 10:59, 10 February 2025
Hilbert space (redirect from Linear Algebra/Hilbert Spaces)
Hilbert space. At a deeper level, perpendicular projection onto a linear subspace plays a significant role in optimization problems and other aspects...
128 KB (17,469 words) - 06:51, 28 May 2025
Hermitian adjoint (redirect from Adjoint linear transformation)
{\displaystyle G^{\text{cl}}(A)} is a (closed) linear subspace, the word "function" may be replaced with "linear operator". For the same reason, A {\displaystyle...
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algebra over a field K is a linear subspace that has the property that the product of any two of its elements is again in the subspace. In other words, a subalgebra...
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{\displaystyle M} is a linear subspace then dim ( A M ) ≤ dim ( M ) {\displaystyle \dim(AM)\leq \dim(M)} ; apply this inequality to the subspace defined by the...
29 KB (4,416 words) - 23:46, 28 March 2025
subspace always has a closed complementary subspace. This is an immediate consequence of Hahn–Banach theorem. Let U {\displaystyle U} be the linear span...
34 KB (5,806 words) - 14:46, 17 February 2025
{d} x^{n}} Consider the linear subspace of the n-dimensional Euclidean space Rn that is spanned by a collection of linearly independent vectors X 1 ...
10 KB (2,011 words) - 09:54, 4 October 2024
These are exactly the properties required for the solution set to be a linear subspace of Rn. In particular, the solution set to a homogeneous system is the...
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In linear algebra, the quotient of a vector space V {\displaystyle V} by a subspace N {\displaystyle N} is a vector space obtained by "collapsing" N {\displaystyle...
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Dimension (vector space) (redirect from Linear algebra/Dimension of a vector space)
space consisting only of its zero element. If W {\displaystyle W} is a linear subspace of V {\displaystyle V} then dim ( W ) ≤ dim ( V ) . {\displaystyle...
9 KB (1,485 words) - 09:34, 2 November 2024
{R} } is a linear functional on a linear subspace M ⊆ X {\displaystyle M\subseteq X} which is dominated by p on M, then there exists a linear extension...
34 KB (5,966 words) - 07:05, 3 April 2025
the elements of W are all zero. 2. Orthogonal subspace in the dual space: If W is a linear subspace (or a submodule) of a vector space (or of a module)...
75 KB (9,944 words) - 21:01, 25 June 2025
generalizations of linear subspace learning methods such as principal component analysis (PCA), independent component analysis (ICA), linear discriminant analysis...
14 KB (1,550 words) - 11:33, 3 May 2025
Eigenvalues and eigenvectors (category Linear algebra)
that it is a linear subspace, so E is a linear subspace of C n {\displaystyle \mathbb {C} ^{n}} . Because the eigenspace E is a linear subspace, it is closed...
102 KB (13,621 words) - 15:09, 12 June 2025
Dual space (redirect from Duality (linear algebra))
for a topological vector space, there is a subspace of the dual space, corresponding to continuous linear functionals, called the continuous dual space...
45 KB (6,865 words) - 10:32, 17 March 2025
In signal processing, signal subspace methods are empirical linear methods for dimensionality reduction and noise reduction. These approaches have attracted...
4 KB (524 words) - 05:21, 19 May 2024