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During some of my testing with a simple linear elastic problem with just 1 hexagonal element using the ExaConstit miniapp, I've found some issues with the PCG solver.
I've included some outputs fr…
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Lately I've been hitting a problem in the Cholesky decomposition step during `star.py --sample=ThetaPhi`
``` python
File "/anaconda/lib/python3.4/site-packages/emcee/sampler.py", line 116, in get_l…
gully updated
5 years ago
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Finding a lobpcg error on macOS Python3.7.3. I've git bisected and the offending commit is
9c026fb5a937f88ab1e03664bbc1b8d6c0928067
```
>>> import sys, scipy, numpy; print(scipy.__version__, n…
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MWE:
```r
library("ivmte")
args args r
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# 🐛 Bug
I'm getting errors (see below) now from `psd_safe_cholesky` which weren't there a few commits back.
* Current commit has this error: 6a235fb6ec339e77a86a3cb20c715071c71ac9fc
* A recent …
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My application needs Hessians, and I would rather not take Jacobians of gradients.
I could write up an implementation myself based on: http://www.sciencedirect.com/science/article/pii/S03770427070040…
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The 3D solver with mixed boundary conditions (periodic in the horizontal with DFTs, Neumann in the vertical with DCTs) works now as tested against an analytic solution but for some reason once I switc…
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Sometimes this test fails
https://app.wercker.com/termoshtt/ndarray-linalg/runs/test-openblas/59f195128e888f0001cf3ef5?step=59f19584791109000146172c
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For problems like the heat equation with say Crank–Nicolson discretization in time and constant time-step, the resulting matrix pencil is the same at each step so it is appealing to factorize it…
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At present there are a variety of special structured matrix types - diagonal, bidiagonal, tridiagonal, symtridiagonal, banded, triangular, hessenberg, symmetric, hermitian, sparse CSC, and so on - in …