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Factorize product of matrices without actually computing the product of matrices

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#linear-algebra #matrices #systems-of-equations #matrix-decomposition #sparse-matrices
32
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Joint optimization of precision matrices for common sparsity pattern

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#optimization #covariance #sparse-matrices
69
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Evaluate a "matrix of bilinear-forms"

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#linear-algebra #sparse-matrices
62
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Complex matrix factorization into three

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#nonlinear-optimization #matrix-decomposition #sparse-matrices
304
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How to densify a sparse adjacency matrix?

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#sparse-matrices #adjacency-matrix
475
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Is the product of a sparse and a dense matrix also sparse in general?

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#linear-algebra #sparse-matrices
170
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In a large sparse matrix, how many eigenvlaues/eigenvectors are "spurious"?

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#eigenvalues-eigenvectors #numerical-linear-algebra #sparse-matrices
5.1k
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Huge matrix multiplication

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#linear-algebra #matrix-calculus #matrix-decomposition #sparse-matrices
252
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"Pivot step" that Donald Knuth mentioned in TAOCP

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#matrices #numerical-linear-algebra #gaussian-elimination #sparse-matrices
76
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Least-squares: sparse normal matrix but full design matrix

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#least-squares #sparse-matrices
56
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Simplification of multiplication of sparse matrices $B(A A^T)A$

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#matrices #sparse-matrices
8.3k
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On computing the largest eigenvalue of a very large sparse matrix

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#linear-algebra #matrices #eigenvalues-eigenvectors #numerical-linear-algebra #sparse-matrices
630
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Parallel rank computation of huge sparse matrices over the binary field

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#matrices #finite-fields #numerical-linear-algebra #matrix-rank #sparse-matrices
2.7k
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Sparse basis for linear subspace

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#linear-algebra #matrices #vector-spaces #numerical-linear-algebra #sparse-matrices
219
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How to update/recalculate the inverse of matrix after changed one element's value?

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#matrices #inverse #sparse-matrices

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