the adjugate or classical adjoint of a square matrix A, adj(A), is the transpose of its cofactor matrix. It is occasionally known as adjunct matrix, or...
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Transpose (redirect from Transpose of a matrix)
similarly, and the matrix of the Hermitian adjoint is given by the conjugate transpose matrix if the bases are orthonormal. Adjugate matrix, the transpose...
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result. For example, one can calculate the inverse of a matrix by computing its adjugate matrix: A − 1 = adj ( A ) / det ( A ) . {\displaystyle {\mathbf...
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Determinant (redirect from Matrix determinant)
formula for the inverse involving the adjugate matrix mentioned below. In this event, the determinant of the inverse matrix is given by det ( A − 1 ) = 1 det...
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Conjugate transpose (redirect from Adjoint matrix)
conjugate transpose "adjoint" matrix A H {\displaystyle \mathbf {A} ^{\mathrm {H} }} should not be confused with the adjugate, adj ( A ) {\displaystyle...
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matrix that is its own inverse (i.e., a matrix A such that A = A−1 and consequently A2 = I) is called an involutory matrix. The adjugate of a matrix A...
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determinant of an integer matrix M {\displaystyle M} is itself an integer, and the adjugate matrix of an integer matrix is also integer matrix. Thus, the determinant...
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Minor (linear algebra) (redirect from Minor (matrix theory))
)}}\mathbf {C} ^{\mathsf {T}}.} The transpose of the cofactor matrix is called the adjugate matrix (also called the classical adjoint) of A. The above formula...
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Jacobi's formula (category Matrix theory)
In matrix calculus, Jacobi's formula expresses the derivative of the determinant of a matrix A in terms of the adjugate of A and the derivative of A. If...
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multiplicity ⌊ n / 2 ⌋ {\displaystyle \lfloor n/2\rfloor } ). The adjugate matrix of Jn is: adj ( J n ) = sgn ( π n ) J n . {\displaystyle \operatorname...
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two vectors u and v. The theorem can also be stated in terms of the adjugate matrix of A: det ( A + u v T ) = det ( A ) + v T a d j ( A ) u , {\displaystyle...
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matrix. Recall that its r th higher adjugate matrix adjr (A) is the ( n r ) × ( n r ) {\textstyle {\binom {n}{r}}\!\times \!{\binom {n}{r}}} matrix whose...
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List of named matrices (redirect from List of matrix)
matrices used in mathematics, science and engineering. A matrix (plural matrices, or less commonly matrixes) is a rectangular array of numbers called entries...
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Cayley–Hamilton theorem (category Matrix theory)
below use the notion of the adjugate matrix adj(M) of an n × n matrix M, the transpose of its cofactor matrix. This is a matrix whose coefficients are given...
65 KB (11,251 words) - 08:52, 2 January 2025
Cramer's rule (section Finding inverse matrix)
adj(A) denotes the adjugate matrix, det(A) is the determinant, and I is the identity matrix. If det(A) is nonzero, then the inverse matrix of A is A − 1 =...
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Adjunction space in topology Conjugate transpose of a matrix in linear algebra Adjugate matrix, related to its inverse Adjoint equation The upper and...
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Unit (ring theory) (section Matrix rings)
invertible in R. In that case, A−1 can be given explicitly in terms of the adjugate matrix. For elements x and y in a ring R, if 1 − x y {\displaystyle 1-xy}...
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where Madj is adjugate matrix given by the standard formula - its (i,j)-th element is the column-determinant of the (n − 1) × (n − 1) matrix that results...
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Trace (linear algebra) (redirect from Trace of a matrix)
differential of the determinant at an arbitrary square matrix, in terms of the trace and the adjugate of the matrix. From this (or from the connection between the...
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an) is the product a1⋯an. The adjugate of a diagonal matrix is again diagonal. Where all matrices are square, A matrix is diagonal if and only if it is...
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matrices is regular and the formula for the inverse in terms of the adjugate matrix shows that inversion is regular as well on matrices with determinant...
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First, we can directly compute the matrix product M M ′ {\displaystyle MM'} (using simple properties of the adjugate matrix, or alternatively using the formula...
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in the lower half plane as well. The analyticity follows from the adjugate matrix formula (since both the entries of Q ( t ) {\displaystyle Q(t)} and...
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characteristic polynomial, and a simple transformation allows to find the adjugate matrix in NC. Rearranging the computations into an efficient form leads to...
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and dyadic products can all be expressed in matrix form. Dyadic expressions may closely resemble the matrix equivalents. The dot product of a dyadic with...
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case this is an elementary fact because the inverse of a matrix is given as the adjugate matrix divided by its determinant). The method of proof here can...
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Sylvester's formula (redirect from Sylvester matrix theorem)
}{2}}(I-A)}} . Adjugate matrix Holomorphic functional calculus Resolvent formalism / Roger A. Horn and Charles R. Johnson (1991), Topics in Matrix Analysis...
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that for very small problems it is beneficial to replace the matrix inverse with the adjugate, which will yield the same iteration because it is equal to...
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abbreviation for adjective, a part of speech AdJ, software Adjugate (or classical adjoint) of a matrix in mathematics Adjukru language, ISO-639-3 code IATA...
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{k}}\right)=0.} Notice that the adjugate of a matrix is still a matrix, so the scalar determinant condition has now been replaced by a matrix condition. This would...
25 KB (4,262 words) - 05:49, 3 June 2024