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We need to implement a working version of a QR algorithm.
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I prepared some (further simple) test cases, which should all succeed - but ...
some work remaining. The failing cases are now all related to eigenvalues of `0` and zeros in the sub-diagonal.
It …
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For sufficiently large matrices and 32-bit storage, LAPACKException(22) arises when `eigen` is called. `eigen` calls `stegr!` which throws the exception.
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The goal of this proposal to replace the existing zoo of non-sparse matrix types (i.e. not `AbstractSparse`) with the following 9 types:
- 4 types representing different [storage formats used by LAPAC…
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[bug gpmr.zip](https://github.com/JuliaSmoothOptimizers/Krylov.jl/files/7677986/bug.gpmr.zip)
Hi, I have an issue with GPMR when solving some systems (I provided one in the above zip file with the …
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Dear all
I have been trying to install the packages outside of conda, specifically igraph, and I got the following error code when I input
```bash
wget https://igraph.org/nightly/get/c/igraph-0.7…
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SerialEigendecomposition is outputting all zeros (observed in the unit test, and an external project that uses it). This was introduced somwhere between early 2020 and release 3.3.1, since this extern…
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I am confused by the computation of the GMRES residual, and the stopping test:
The variable `e_all_iter` is initialized as `r_norm` which is the actual norm of the initial residual (line 1273)
T…
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I updated my installations on my POWER8 machine and since version 0.3.6 up to the current development branch, the build process fails with:
```
$ make MAKE_NB_JOBS=1
...
cc -c -Ofast -mcpu=pow…
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When I'm just cImport:ing a header it gets included in the generated C code like this:
```nim
# in Nim code
cImport("include/header1.h")
```
```c
// in C code
#include "path to header1.h"
```
…