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How to prove the 2-norm of an invertible matrix is exactly the reciprocal of its minimum singular value?

linear-algebra matrix

modified 3 hours ago Tolga Birdal 1,659

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Efficient computation of leading eigenvector of a matrix product of the form $ADA^T$, where $D$ is diagonal

linear-algebra matrix algorithms eigenvalues

modified 3 hours ago Tolga Birdal 1,659

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Do most statistical packages and libraries in high-level programming languages rely on LAPACK for their matrix inversion operations?

linear-algebra python lapack matrix-factorization

modified 2 days ago Richard 1,115

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implementation for coppersmith matrix multiplication

linear-algebra matrix linear-solver mathematica matrix-equations

asked Oct 13 at 12:27 bedo dan 6

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what algorithm do BLAS and ATLAS use for matrix multiplication

linear-algebra matrix linear-solver numpy matrix-equations

asked Oct 10 at 18:47 bedo dan 6

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Lapack symmetric update $B^{-1}AB^{-T}$

linear-algebra linear-solver lapack

answered Oct 10 at 13:42 rchilton1980 2,527

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Vectorization of Jacobi iteration

linear-algebra performance

modified Oct 9 at 2:52 cpraveen 1,258

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Solving $AXB + X\odot C = D$ matrix equation

linear-algebra matrix-equations

modified Sep 29 at 19:36 Anton Menshov♦ 5,853

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Value of $\gamma$ in the H-infinity norm

linear-algebra

modified Sep 28 at 19:06 Anton Menshov♦ 5,853

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Using LAPACK to compute $B^{-1}AB^{-T}$ for thin $B$

linear-algebra lapack blas

answered Sep 26 at 18:33 rchilton1980 2,527

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Efficiently finding binary vectors satisfying multiple conditions

linear-algebra matrix performance

modified Sep 26 at 14:06 MPIchael 511

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Computing square root of diag(u)-uu'?

linear-algebra numerics statistics

modified Sep 23 at 3:51 Nick Alger 2,213

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How to avoid unnecessary checks when inverting this LU decomposition

linear-algebra matlab performance matrix-factorization

answered Sep 20 at 17:04 Federico Poloni 3,997

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Weighted QR Implementation

linear-algebra finite-element python matrix-factorization

answered Sep 18 at 7:30 Amit Hochman 191

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