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Block matrix pseudoinverse information


In mathematics, a block matrix pseudoinverse is a formula for the pseudoinverse of a partitioned matrix. This is useful for decomposing or approximating many algorithms updating parameters in signal processing, which are based on the least squares method.

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Block matrix pseudoinverse

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In mathematics, a block matrix pseudoinverse is a formula for the pseudoinverse of a partitioned matrix. This is useful for decomposing or approximating...

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Invertible matrix

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theorem LU decomposition Matrix decomposition Matrix square root Minor (linear algebra) Partial inverse of a matrix Pseudoinverse Rybicki Press algorithm...

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Matrix decomposition

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algebra, a matrix decomposition or matrix factorization is a factorization of a matrix into a product of matrices. There are many different matrix decompositions;...

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Woodbury matrix identity

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update to a determinant Invertible matrix Moore–Penrose pseudoinverse § Updating the pseudoinverse Max A. Woodbury, Inverting modified matrices, Memorandum...

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Transpose

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the cofactor matrix Conjugate transpose Moore–Penrose pseudoinverse Projection (linear algebra) Nykamp, Duane. "The transpose of a matrix". Math Insight...

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Generalized inverse

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on different state variables, e.g., miles versus kilometers. Block matrix pseudoinverse Regular semigroup Ben-Israel & Greville 2003, pp. 2, 7 Nakamura...

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List of numerical analysis topics

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subspace Block matrix pseudoinverse Bidiagonalization Cuthill–McKee algorithm — permutes rows/columns in sparse matrix to yield a narrow band matrix In-place...

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Circulant matrix

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Moore–Penrose pseudoinverse A + {\displaystyle A^{+}} is circulant. The matrix U {\displaystyle U} that is composed of the eigenvectors of a circulant matrix is...

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Haynsworth inertia additivity formula

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hold. Block matrix pseudoinverse Sylvester's law of inertia Haynsworth, E. V., "Determination of the inertia of a partitioned Hermitian matrix", Linear...

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Kronecker product

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in a block matrix. It is a specialization of the tensor product (which is denoted by the same symbol) from vectors to matrices and gives the matrix of the...

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Outline of linear algebra

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matrix Jordan normal form Weyr canonical form Rank Matrix inversion, invertible matrix Pseudoinverse Adjugate Transpose Dot product Symmetric matrix Orthogonal...

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Square root of a matrix

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square root of a matrix extends the notion of square root from numbers to matrices. A matrix B is said to be a square root of A if the matrix product BB is...

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Orthogonal matrix

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matrix, singular value decomposition (SVD) is equally useful. With A factored as UΣVT, a satisfactory solution uses the Moore-Penrose pseudoinverse,...

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List of named matrices

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combinations of the others. Matrix exponential — defined by the exponential series. Matrix representation of conic sections Pseudoinverse — a generalization of...

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Preconditioner

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of a column vector, or a block of column vectors, by T = P − 1 {\displaystyle T=P^{-1}} , is commonly performed in a matrix-free fashion, i.e., where...

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Numerical methods for linear least squares

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{X} ^{+})^{*}=\mathbf {X} \mathbf {X} ^{+}} (the property of pseudoinverse), the matrix U P U T {\displaystyle UPU^{\rm {T}}} is an orthogonal projection...

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Sparse dictionary learning

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converge. However, due to the high complexity of the matrix-inversion operation, computing the pseudoinverse in high-dimensional cases is in many cases intractable...

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Inverse kinematics

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Jacobian matrix and determinant Joint constraints Kinematic synthesis Kinemation Levenberg–Marquardt algorithm Motion capture Physics engine Pseudoinverse Ragdoll...

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Division by zero

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a pseudo-division, by setting a/b = ab+, in which b+ represents the pseudoinverse of b. It can be proven that if b−1 exists, then b+ = b−1. If b equals...

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Geometric algebra

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then the orthogonal matrix is replaced by a block matrix that is orthogonal in the nondegenerate block, and the diagonal matrix has zero-valued entries...

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Bayesian linear regression

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is used to estimate the coefficient vector using the Moore–Penrose pseudoinverse: β ^ = ( X T X ) − 1 X T y {\displaystyle {\hat {\boldsymbol {\beta...

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Global Positioning System

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satellites for a solution, Bancroft uses the generalized inverse (i.e., the pseudoinverse) to find a solution. A case has been made that iterative methods, such...

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