In mathematics and physics, a vector space (also called a linear space) is a set whose elements, often called vectors, can be added together and multiplied...
87 KB (11,491 words) - 12:05, 7 May 2025
Vector space model or term vector model is an algebraic model for representing text documents (or more generally, items) as vectors such that the distance...
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In mathematics, a normed vector space or normed space is a vector space over the real or complex numbers on which a norm is defined. A norm is a generalization...
18 KB (2,881 words) - 18:43, 8 May 2025
Basis (linear algebra) (redirect from Linear Algebra/Basis for a Vector Space)
In mathematics, a set B of elements of a vector space V is called a basis (pl.: bases) if every element of V can be written in a unique way as a finite...
34 KB (4,751 words) - 04:52, 13 April 2025
mathematics, an inner product space (or, rarely, a Hausdorff pre-Hilbert space) is a real vector space or a complex vector space with an operation called an...
57 KB (7,357 words) - 22:55, 19 May 2025
In mathematics, the dimension of a vector space V is the cardinality (i.e., the number of vectors) of a basis of V over its base field. It is sometimes...
9 KB (1,485 words) - 09:34, 2 November 2024
A topological vector space is a vector space that is also a topological space with the property that the vector space operations (vector addition and scalar...
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Linear map (redirect from Vector space homomorphism)
transformation, vector space homomorphism, or in some contexts linear function) is a mapping V → W {\displaystyle V\to W} between two vector spaces that preserves...
43 KB (7,001 words) - 09:24, 10 March 2025
Norm (mathematics) (redirect from Vector norm)
In mathematics, a norm is a function from a real or complex vector space to the non-negative real numbers that behaves in certain ways like the distance...
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on the above sorts of vectors. A vector space formed by geometric vectors is called a Euclidean vector space, and a vector space formed by tuples is called...
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Word embedding (redirect from Word vector space)
representation is a real-valued vector that encodes the meaning of the word in such a way that the words that are closer in the vector space are expected to be similar...
29 KB (3,154 words) - 04:56, 26 May 2025
analysis, a Banach space (/ˈbɑː.nʌx/, Polish pronunciation: [ˈba.nax]) is a complete normed vector space. Thus, a Banach space is a vector space with a metric...
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In mathematics, any vector space V {\displaystyle V} has a corresponding dual vector space (or just dual space for short) consisting of all linear forms...
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point, the zero vector is called the origin. Adding a fixed vector to the elements of a linear subspace (vector subspace) of a vector space produces an affine...
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In mathematics, a super vector space is a Z 2 {\displaystyle \mathbb {Z} _{2}} -graded vector space, that is, a vector space over a field K {\displaystyle...
11 KB (1,893 words) - 21:49, 26 August 2022
A vector database, vector store or vector search engine is a database that uses the vector space model to store vectors (fixed-length lists of numbers)...
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a graded vector space is a vector space that has the extra structure of a grading or gradation, which is a decomposition of the vector space into a direct...
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topological vector spaces (LCTVS) or locally convex spaces are examples of topological vector spaces (TVS) that generalize normed spaces. They can be...
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re-formalized to define Euclidean spaces through axiomatic theory. Another definition of Euclidean spaces by means of vector spaces and linear algebra has been...
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This page lists some examples of vector spaces. See vector space for the definitions of terms used on this page. See also: dimension, basis. Notation...
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Bra–ket notation (redirect from Ket vector)
notation for linear algebra and linear operators on complex vector spaces together with their dual space both in the finite-dimensional and infinite-dimensional...
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Tensor product (redirect from Tensor product of vector spaces)
product V ⊗ W {\displaystyle V\otimes W} of two vector spaces V and W (over the same field) is a vector space to which is associated a bilinear map V × W...
50 KB (8,659 words) - 12:02, 7 May 2025
ordered vector space or partially ordered vector space is a vector space equipped with a partial order that is compatible with the vector space operations...
23 KB (3,959 words) - 05:47, 21 May 2025
In mathematics, a symplectic vector space is a vector space V {\displaystyle V} over a field F {\displaystyle F} (for example the real numbers R {\displaystyle...
15 KB (2,275 words) - 11:50, 14 August 2024
pseudometrizable) topological vector space (TVS) is a TVS whose topology is induced by a metric (resp. pseudometric). An LM-space is an inductive limit of...
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space and time in the coordinate form in a four-dimensional real vector space. Points in this space correspond to events in spacetime. In this space,...
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Tensor (redirect from Tensor on a vector space)
of algebraic objects associated with a vector space. Tensors may map between different objects such as vectors, scalars, and even other tensors. There...
69 KB (9,357 words) - 21:16, 23 May 2025
inherited by the function space. For example, the set of functions from any set X into a vector space has a natural vector space structure given by pointwise...
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Linear span (redirect from Linear Algebra/Generating a Vector Space)
linear hull or just span) of a set S {\displaystyle S} of elements of a vector space V {\displaystyle V} is the smallest linear subspace of V {\displaystyle...
17 KB (2,452 words) - 14:30, 13 May 2025
Scalar (mathematics) (section Scalars of vector spaces)
vector space. In linear algebra, real numbers or generally elements of a field are called scalars and relate to vectors in an associated vector space...
9 KB (1,046 words) - 12:06, 7 May 2025