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Product of rank one updates as a low rank update for quasi newton/BFGS

linear-algebra newton-method quasi-newton

modified 2 days ago Community♦ 1

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1

answer

47

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Fast iterative approximate order-oblivious Orthogonalization algorithm?

linear-algebra

modified Aug 15 at 8:30 Prokop Hapala 410

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1

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Why are the round-off errors when solving the linear system $Ax = b$ of order $\varepsilon_\text{mach} x_j$?

linear-algebra linear-solver floating-point conditioning

answered Aug 14 at 8:53 Federico Poloni 3,742

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45

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Is there a library that allows einstein summation on dense, sparse, and LinearOperator type tensors

linear-algebra libraries tensor

asked Aug 9 at 19:49 Bananach 393

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61

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How to implement this even-odd matrix decomposition efficiently?

linear-algebra matlab performance

answered Aug 5 at 16:05 Stefano M 3,564

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Good examples of “two is easy, three is hard” in computational sciences

linear-algebra computational-physics computational-geometry computational-chemistry

modified Aug 4 at 23:34 Albert B. 6

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95

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Matrix condition number and reordering

linear-algebra matrix condition-number

answered Aug 3 at 19:05 cdipaolo 206

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Ordering of eigenvectors to maximise trace of diagonalising matrix

linear-algebra optimization

answered Jul 31 at 18:02 Kirill 10.3k

4

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Is there any catch on using `zgemm3m` vs regular `zgemm`?

linear-algebra performance floating-point blas intel-mkl

asked Jul 30 at 21:27 Anton Menshov♦ 5,643

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Does Boost provide a template implementation of the wedge product?

linear-algebra libraries

modified Jul 26 at 0:37 Anton Menshov♦ 5,643

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73

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What's the more efficient way to solve this matrix equation?

linear-algebra numerics

modified Jul 25 at 15:39 JDecou 6

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cartesian products in numPy

linear-algebra matrix

modified Jul 24 at 10:19 danny 1

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421

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Numerical method for nonlinear system of algebraic equations of special type

linear-algebra nonlinear-equations

modified Jul 21 at 19:10 Navaro 133

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How to pass matrices to parallel workers quickly in matlab?

linear-algebra matlab parallel-computing gmres

answered Jul 19 at 0:28 Anton Menshov♦ 5,643

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