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Eigenvalues of Gauss-Seidel and Jacobi

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#numerical-methods #numerical-linear-algebra
809
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In QR and LU factorizations what would the results be with transposed inputs?

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#linear-algebra #numerical-linear-algebra #matrix-decomposition #lu-decomposition
125
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Lanczos algorithm for complex symmetric matrices with partial reorthogonalization

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#numerical-linear-algebra
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If a matrix is symmetric, tridiagonal, and diagonally dominant, is it positive definite?

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#linear-algebra #eigenvalues-eigenvectors #numerical-linear-algebra
292
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Is there a way to compute $(A\otimes B)x$ quickly without forming the Kronecker product?

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#linear-algebra #matrices #numerical-linear-algebra #kronecker-product
435
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Bounding the matrix $2$-norm of a Frobenius matrix

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#linear-algebra #matrices #numerical-linear-algebra #matrix-norms
4.1k
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Matlab Code-Include Iteration to QR Algorithm Gram-Schmidt - The Iterations of A will converge to Eigenvalues

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#matrices #matlab #numerical-linear-algebra #matrix-decomposition #gram-schmidt
5k
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Efficient algorithm for calculating determinants

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#matrices #algorithms #determinant #numerical-linear-algebra
73
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Matrix Factorization for $ADA^T$ for varying $D$

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#linear-algebra #numerical-linear-algebra #matrix-decomposition
937
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Efficient matrix-vector multiplication for "partial" Hadamard matrices

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#linear-algebra #matrices #numerical-linear-algebra #fast-fourier-transform #hadamard-matrices
307
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Matrix decomposition for a linear combination of matrices

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#linear-algebra #numerical-linear-algebra
48
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Approximate low-rank $U^\top U$ decomposition / Gaussian elimination.

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#numerical-linear-algebra
63
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How to find a four square-equations matrix with only one known equation?

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#linear-algebra #numerical-linear-algebra
514
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Numerical approximation of principal curvature

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#numerical-linear-algebra #curvature #discrete-geometry
199
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Is there a version of matrix rank that can take non-whole values?

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#linear-algebra #matrices #numerical-linear-algebra

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