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Component: **algebra**
Keywords: **Shapovalov, determinant**
_Issue created by migration from https://trac.sagemath.org/ticket/17049_
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**Use case**
I want to perform PCA in ClickHouse. For this i need to find the determinant of a matrix and ideally also eigenvectors (with eigenvalues)
```
Ideally any function would accept the …
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... seem to cause problems. Run more tests and debug
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I'm wondering if it would be possible to enhance the [rotate_elastic_constants](https://github.com/libAtoms/matscipy/blob/8124ddf3acb4729c346a3e1a0b31a6124e0a9877/matscipy/elasticity.py#L358) function…
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### What should we add?
GEMPAK provides a JCBN function, so to support the transition to MetPy, it would be good to provide a direct equivalent. The GEMPAK code indicates:
```
* This subroutine co…
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Can you tell me data/beauty/item_kernel_3.pkl
Where does this document come from?
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The following `u3_decompositions` function
https://github.com/qiboteam/qibo/blob/19368f211c29d0831e5de2ed0b349cf51d235f12/src/qibo/transpiler/unitary_decompositions.py#L18-L35
holds only for matrice…
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Dear Sir,
I am currently conducting SHARC/LVC simulations for a perylenediimide derivative and have encountered an error during the LVC parameterization steps. The DSPL_000_eq directory completed suc…
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Below are invertible matrices for which det() returns non-invertible values (indistinguishable from zero). These values are technically correct, but not optimal and make the matrices seem singular.
…
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It would be convenient for stdlib to have a function for computing the determinant of a square matrix. The cases of symmetric positive definite (SPD) (use Cholesky decomposition) and a general matrix …