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Space charge parameter, 'Particle_sigma_cutoff', any positive value for this parameter gives a warning;
Tao> beamon
[WARNING] calc_emittances_and_twiss_from_sigma_matrix:
Cannot normalize som…
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I need this for finding the eigenvectors of the Hessian after tridiagonalizing it with Lanczos iteration. Right now the function looks like:
```python
def eigh_tridiagonal(d: ArrayLike, e: ArrayLi…
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Hi,
Jmat.eig([[-1,0,1],[3,0,-3],[1,0,-1]]).v.toString() gives us the following:
answer: [[-1.0000000000000002, 1.0000000000000113, 0], [2.9999999999999987, -50.64166161063003, 1], [1, 1, 0]]
(as tes…
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I think that the tdscf codes in PySCF return the complex conjugate of the eigenvector of the "conventional" CIS/TDHF matrix (equivalently, they calculate the left eigenvector or the eigenvector of the…
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It would be cool if you could do something like
```julia
# Setup
x, y = X(1:3), Y(10:13)
P = ones(x,y, name="P")
sp = ones(x, name="sp")
stack = DimStack(P,sp)
# new code
mapslices(stack, di…
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When calculating eigenvalues and eigenvectors, the function is called twice (once for each calculation, see lines 245-251 in [spectra.py](acoular/spectra.py#L245) ). Better would be to perform the cal…
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**Concisely describe the proposed feature**
I'm planning to implement a utility function `ti.eig()` discussed in #2208, which computes the eigenvalues and right eigenvectors for a matrix. For the con…
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### Description
I am experiencing hanging for jax versions newer than 0.4.31, as referenced in an earlier issue that I created and subsequently closed (https://github.com/jax-ml/jax/issues/24219). I …
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There happened to be a bug with the eigenvector calculations. The eigenvalues are correct but the eigenvectors are incorrect or not displayed in some certain circumstances. I'm working on it yet.
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Hello
I am using graph-tool latest version with python 3.8.10, i created a graph of 100 vertices and I have a problemwith the calculation of eigenvector centrality measure here is the command (from t…