row and column vectors.) The transpose (indicated by T) of any row vector is a column vector, and the transpose of any column vector is a row vector:...
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represented as collections of row or column vectors, using this approach are effectively stored as consecutive vectors or consecutive vector components. Such ways...
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Let A be an m × n matrix, with column vectors v1, v2, ..., vn. A linear combination of these vectors is any vector of the form c 1 v 1 + c 2 v 2 + ⋯...
24 KB (3,596 words) - 14:01, 1 August 2025
Bra–ket notation (redirect from Bra and ket vectors)
etc. For the vector space C n {\displaystyle \mathbb {C} ^{n}} , kets can be identified with column vectors, and bras with row vectors. Combinations...
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Rank (linear algebra) (redirect from Column rank)
Indeed, since the column vectors of A are the row vectors of the transpose of A, the statement that the column rank of a matrix equals its row rank is equivalent...
29 KB (4,415 words) - 15:37, 5 July 2025
Dyadics (section Product of dyadic and vector)
that fits in with vector algebra. There are numerous ways to multiply two Euclidean vectors. The dot product takes in two vectors and returns a scalar...
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aka Vector Lovers Vector (mathematics and physics) Row and column vectors, single row or column matrices Vector field, a vector for each point Vector quantity...
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and is the only nonzero entry of its column. The reduced row echelon form of a matrix is unique and does not depend on the sequence of elementary row...
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Linear subspace (redirect from Vector subspace)
subspace of Kn spanned by the column vectors of A. The row space of a matrix is the subspace spanned by its row vectors. The row space is interesting because...
33 KB (4,640 words) - 18:24, 27 July 2025
Scalar (mathematics) (section Scalars of vector spaces)
(mathematics) Row and column vectors Tensor Vector (mathematics and physics) Vector calculus Lay, David C. (2006). Linear Algebra and Its Applications...
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Matrix calculus (section Derivatives with vectors)
respect to a vector as a column vector or a row vector. Both of these conventions are possible even when the common assumption is made that vectors should be...
85 KB (7,062 words) - 19:08, 25 May 2025
Transformation matrix (redirect from Rotation and reflection linear transformations)
composed and inverted. Composition is accomplished by matrix multiplication. Row and column vectors are operated upon by matrices, rows on the left and columns...
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groups in the same table. Column (database) Group by (SQL) Row (database) Row and column vectors in mathematics Row and column spaces in mathematics Table...
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Pseudovector (redirect from Polar and axial vectors)
velocity "vector" is not the mirror image of the angular velocity "vector" of the original object; for true vectors (also known as polar vectors), the reflection...
33 KB (4,332 words) - 14:46, 1 August 2025
Bases and their associated coordinate representations let one realize vector spaces and linear transformations concretely as column vectors, row vectors, and...
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Matrix multiplication (redirect from Matrix–vector multiplication)
{\displaystyle 1\times 1} matrix resulting from multiplying these vectors as a row and a column vector, thus: a T b {\displaystyle \mathbf {a} ^{\mathrm {T} }\mathbf...
41 KB (6,581 words) - 15:09, 5 July 2025
Matrix representation (section Column major)
the basis vectors represented by a transformation matrix as individual column vectors, as these are contiguous in memory. Row- and column-major order...
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Perron–Frobenius theorem (section Perron root is strictly maximal eigenvalue for positive (and primitive) matrices)
all strictly positive vectors x is the Perron–Frobenius eigenvalue. Birkhoff–Varga formula: Let x and y be strictly positive vectors. Then, r = sup x > 0...
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operator which flips a matrix over its diagonal; that is, it switches the row and column indices of the matrix A by producing another matrix, often denoted by...
19 KB (2,422 words) - 08:49, 10 July 2025
Einstein notation (section Vector representations)
as n × 1 matrices (column vectors), while covectors are represented as 1 × n matrices (row covectors). When using the column vector convention: "Upper...
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Matrix (mathematics) (section Row operations)
with a single row are called row matrices or row vectors, and those with a single column are called column matrices or column vectors. A matrix with...
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to each of the row vectors of A. These two (linearly independent) row vectors span the row space of A—a plane orthogonal to the vector (−1,−26,16)T. With...
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vectors in Rn, by using the square matrix whose columns are the given vectors. The determinant will be nonzero if and only if the sequence of vectors...
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Array (data structure) (redirect from Vector data structure)
structure would be a vector of pointers to vectors, one for each row(pointer on c or c++). Thus an element in row i and column j of an array A would...
24 KB (3,412 words) - 11:02, 12 June 2025
Stochastic matrix (section Definition and properties)
in the i-th row and j-th column is the probability of transition from state i to state j. Left stochastic matrices act upon column vectors of probabilities...
20 KB (2,959 words) - 14:55, 5 May 2025
Singular value decomposition (section Singular values, singular vectors, and their relation to the SVD)
right-singular vectors. The number of independent left and right-singular vectors coincides, and these singular vectors appear in the same columns of U {\displaystyle...
91 KB (14,598 words) - 06:12, 1 August 2025
weight-lifting exercise Row vector, a 1 × n matrix in linear algebra Row(s) in a table (information), a data arrangement with rows and columns Row (database), a...
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the column vectors of a full column rank matrix yields the QR decomposition (it is decomposed into an orthogonal and a triangular matrix). The vector projection...
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weights for the columns and the rows (sometimes called masses), where row and column weights are given by the row and column vectors, respectively: w...
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Logical matrix (redirect from Logical vector)
the row and column numbers of the matrix, the sets X and Y are indexed with positive integers: i ranges from 1 to the cardinality (size) of X, and j ranges...
15 KB (2,013 words) - 07:30, 17 June 2025