• Q-vectors are used in atmospheric dynamics to understand physical processes such as vertical motion and frontogenesis. Q-vectors are not physical quantities...
    7 KB (1,087 words) - 05:00, 5 June 2025
  • Thumbnail for Euclidean vector
    qualify Euclidean vectors as an example of the more generalized concept of vectors defined simply as elements of a vector space. Vectors play an important...
    61 KB (9,116 words) - 12:01, 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...
    10 KB (1,415 words) - 12:24, 20 May 2025
  • Thumbnail for Covariance and contravariance of vectors
    the same way. Contravariant vectors are often just called vectors and covariant vectors are called covectors or dual vectors. The terms covariant and contravariant...
    42 KB (7,132 words) - 09:58, 2 June 2025
  • Thumbnail for Null vector
    without null vectors. A pseudo-Euclidean vector space may be decomposed (non-uniquely) into orthogonal subspaces A and B, X = A + B, where q is positive-definite...
    5 KB (582 words) - 15:33, 26 September 2024
  • Thumbnail for Normal (geometry)
    plane and p , q {\displaystyle \mathbf {p} ,\mathbf {q} } are non-parallel vectors pointing along the plane, a normal to the plane is a vector normal to both...
    17 KB (2,664 words) - 16:29, 1 April 2025
  • of multidimensional vectors or infinite-dimensional vectors. The input of a vector-valued function could be a scalar or a vector (that is, the dimension...
    18 KB (3,000 words) - 05:53, 19 May 2025
  • [ Q x x − Q y y − Q z z Q y x + Q x y Q z x + Q x z Q z y − Q y z Q y x + Q x y Q y y − Q x x − Q z z Q z y + Q y z Q x z − Q z x Q z x + Q x z Q z y...
    102 KB (15,800 words) - 15:17, 18 June 2025
  • convention of writing both column vectors and row vectors as rows, but separating row vector elements with commas and column vector elements with semicolons (see...
    9 KB (1,260 words) - 11:25, 6 June 2025
  • product of a vector with itself. A seminorm satisfies the first two properties of a norm but may be zero for vectors other than the origin. A vector space with...
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  • Thumbnail for Curvilinear coordinates
    ( q 1 , q 2 , q 3 ) , y = f 2 ( q 1 , q 2 , q 3 ) , z = f 3 ( q 1 , q 2 , q 3 ) {\displaystyle x=f^{1}(q^{1},q^{2},q^{3}),\,y=f^{2}(q^{1},q^{2},q^{3})...
    53 KB (8,311 words) - 16:11, 4 March 2025
  • Thumbnail for Attention (machine learning)
    matches all tokens of the K matrix with all tokens of the Q matrix; therefore the roles of these vectors are symmetric. Possibly because the simplistic database...
    35 KB (3,416 words) - 15:49, 12 June 2025
  • Multivector (redirect from P-vector)
    algebra Λ(V) of a vector space V. This algebra is graded, associative and alternating, and consists of linear combinations of simple k-vectors (also known as...
    33 KB (4,882 words) - 23:37, 14 March 2025
  • Thumbnail for Normed vector space
    unit vectors (that is, vectors of norm 1 {\displaystyle 1} ) in V . {\displaystyle V.} This turns V ′ {\displaystyle V^{\prime }} into a normed vector space...
    18 KB (2,881 words) - 18:43, 8 May 2025
  • Thumbnail for Tensor
    tensors, including scalars and vectors (which are the simplest tensors), dual vectors, multilinear maps between vector spaces, and even some operations...
    69 KB (9,357 words) - 21:25, 18 June 2025
  • Thumbnail for Transformer (deep learning architecture)
    following section. By convention, we write all vectors as row vectors. This, for example, means that pushing a vector through a linear layer means multiplying...
    106 KB (13,107 words) - 11:55, 19 June 2025
  • Thumbnail for Reciprocal lattice
    to the vectors in real and reciprocal space. Mathematically, direct and reciprocal lattice vectors represent covariant and contravariant vectors, respectively...
    33 KB (5,497 words) - 02:05, 20 June 2025
  • product of vectors v and w given by v w + w v = 2 ( v ⋅ w ) . {\displaystyle vw+wv=2(v\cdot w).} Denote a set of orthogonal unit vectors of R3 as {e1...
    65 KB (9,287 words) - 07:33, 12 May 2025
  • Thumbnail for Vector notation
    Vector notation In mathematics and physics, vector notation is a commonly used notation for representing vectors, which may be Euclidean vectors, or more...
    24 KB (3,283 words) - 11:34, 8 March 2025
  • Thumbnail for Quaternion
    Quaternion (redirect from Vector quaternion)
    spatial inverse. For two vector quaternions p = b1i + c1j + d1k and q = b2i + c2j + d2k their dot product, by analogy to vectors in R 3 , {\displaystyle...
    96 KB (12,674 words) - 14:32, 18 June 2025
  • Thumbnail for Vector (rapper)
    this incidence Vector has replied with the track "Distractions (Reminisce Diss)", which he featured on with renowned lyricist A-Q. Vector hit him with the...
    26 KB (2,064 words) - 01:53, 8 June 2025
  • Thumbnail for Cross product
    Cross product (redirect from Vector product)
    of a parallelogram with the vectors for sides; in particular, the magnitude of the product of two perpendicular vectors is the product of their lengths...
    75 KB (11,553 words) - 00:03, 17 June 2025
  • of a vector space, and every vector in the space may be written as a linear combination form of unit vectors. Unit vectors may be used to represent the...
    17 KB (1,922 words) - 14:43, 16 May 2025
  • such as vectors. Geometric algebra is built out of two fundamental operations, addition and the geometric product. Multiplication of vectors results in...
    93 KB (13,800 words) - 15:47, 16 June 2025
  • Thumbnail for Orbital state vectors
    and celestial dynamics, the orbital state vectors (sometimes state vectors) of an orbit are Cartesian vectors of position ( r {\displaystyle \mathbf {r}...
    6 KB (833 words) - 11:13, 26 March 2025
  • rotates, stretches, or shears the vectors upon which it acts. A linear transformation's eigenvectors are those vectors that are only stretched or shrunk...
    102 KB (13,621 words) - 15:09, 12 June 2025
  • mathematics, a Q-matrix is a square matrix whose associated linear complementarity problem LCP(M,q) has a solution for every vector q. M is a Q-matrix if there...
    3 KB (274 words) - 21:07, 14 April 2025
  • made that vectors should be treated as column vectors when combined with matrices (rather than row vectors). A single convention can be somewhat standard...
    85 KB (7,062 words) - 19:08, 25 May 2025
  • Thumbnail for Vector space
    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) - 02:01, 5 June 2025
  • used algorithm appropriate for the vector Y case. It estimates T as an orthonormal matrix. (Caution: the t vectors in the code below may not be normalized...
    23 KB (2,972 words) - 17:50, 19 February 2025