Matrix chain multiplication (or the matrix chain ordering problem) is an optimization problem concerning the most efficient way to multiply a given sequence...
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improvement with the newly discovered matrix multiplication method of Alpha Evolve] Because matrix multiplication is such a central operation in many numerical...
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in linear algebra, matrix multiplication is a binary operation that produces a matrix from two matrices. For matrix multiplication, the number of columns...
41 KB (6,581 words) - 13:39, 28 February 2025
complexity of matrix multiplication dictates how quickly the operation of matrix multiplication can be performed. Matrix multiplication algorithms are a central...
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multiplications needed to multiply a chain of matrices from matrix i to matrix j (i.e. Ai × .... × Aj, i.e. i<=j). We split the chain at some matrix k...
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graphs,[AH73] minimum routing cost spanning trees,[H74] and the matrix chain multiplication problem.[HS82] Hu's family came from Zhejiang. Hu was born in...
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and multiplication. Most commonly, a matrix over a field F {\displaystyle F} is a rectangular array of elements of F {\displaystyle F} . A real matrix and...
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Jacobian determinant, and the multiplicative inverse of the derivative is replaced by the inverse of the Jacobian matrix. The Jacobian determinant is fundamentally...
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except the commutative law of multiplication (a familiar example of such a noncommutative multiplication is matrix multiplication). From this all of the rules...
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In mathematics, a stochastic matrix is a square matrix used to describe the transitions of a Markov chain. Each of its entries is a nonnegative real number...
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algorithms) matched edge matched vertex matching (graph theory) matrix matrix-chain multiplication problem max-heap property maximal independent set maximally...
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Catalan number (section Hankel matrix)
of associating n applications of a binary operator, as in the matrix chain multiplication problem). For n = 3, for example, we have the following five...
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this is O ( log k n ) {\displaystyle O(\log ^{k}n)} . For example, matrix chain ordering can be solved in polylogarithmic time on a parallel random-access...
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In calculus, the chain rule is a formula that expresses the derivative of the composition of two differentiable functions f and g in terms of the derivatives...
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Backpropagation (section Matrix multiplication)
The overall network is a combination of function composition and matrix multiplication: g ( x ) := f L ( W L f L − 1 ( W L − 1 ⋯ f 1 ( W 1 x ) ⋯ ) ) {\displaystyle...
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Determinant (redirect from Matrix determinant)
square matrix. The determinant of a matrix A is commonly denoted det(A), det A, or |A|. Its value characterizes some properties of the matrix and the...
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In mathematics, the Hessian matrix, Hessian or (less commonly) Hesse matrix is a square matrix of second-order partial derivatives of a scalar-valued function...
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When n is a positive integer, exponentiation corresponds to repeated multiplication of the base: that is, bn is the product of multiplying n bases: b n...
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called addition and multiplication, which obey the same basic laws as addition and multiplication of integers, except that multiplication in a ring does not...
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otherwise; this is the adjacency matrix of links. A related matrix S corresponding to the transitions in a Markov chain of given network is constructed...
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Quaternion (redirect from Matrix representation of quaternions)
such a way that quaternion addition and multiplication correspond to matrix addition and matrix multiplication. One is to use 2 × 2 complex matrices, and...
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probability and combinatorics, a doubly stochastic matrix (also called bistochastic matrix) is a square matrix X = ( x i j ) {\displaystyle X=(x_{ij})} of nonnegative...
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Jordan normal form (category Matrix theory)
vector generates the chain via multiplication by A − λ I {\displaystyle A-\lambda I} . Therefore, the statement that every square matrix A can be put in...
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Hill cipher (redirect from Matrix encryption)
for this device, which performed a 6 × 6 matrix multiplication modulo 26 using a system of gears and chains. Unfortunately the gearing arrangements (and...
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Eigenvalues and eigenvectors (redirect from Eigenvalue (Matrix))
the matrix multiplication A v = λ v , {\displaystyle A\mathbf {v} =\lambda \mathbf {v} ,} where the eigenvector v is an n by 1 matrix. For a matrix, eigenvalues...
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List of named matrices (redirect from List of matrix)
Markov chain Unistochastic matrix — a doubly stochastic matrix whose entries are the squares of the absolute values of the entries of some unitary matrix The...
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{\displaystyle {\begin{matrix}H_{1}(a,b)=a+b=&a+\underbrace {1+1+\dots +1} \\&b{\mbox{ copies of }}1\end{matrix}}} Multiplication by a natural number is...
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channel, and matrix chain multiplication. The power of the GDL lies in the fact that it applies to situations in which additions and multiplications are generalized...
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idempotent element of a matrix ring is precisely an idempotent matrix. For general rings, elements idempotent under multiplication are involved in decompositions...
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basic operations of arithmetic, the other three being subtraction, multiplication, and division. The addition of two whole numbers results in the total...
80 KB (10,120 words) - 04:20, 12 May 2025