Error during non-uniform refinement

Dear colleagues,

The following error occurred during 3D non-uniform refinement.

Any cure?

Thank you!


 Traceback (most recent call last):
  File "cryosparc_worker/cryosparc_compute/", line 84, in
  File "cryosparc_worker/cryosparc_compute/jobs/refine/", line 466, in
  File "cryosparc_worker/cryosparc_compute/jobs/refine/", line 467, in
  File "cryosparc_worker/cryosparc_compute/jobs/ctf_refinement/", line 263, in
  File "<__array_function__ internals>", line 6, in solve
  File "/home/user/Data/Software/cryosparc/cryosparc_worker/deps/anaconda/envs/cryosparc_worker_env/lib/python3.7/site-packages/numpy/linalg/", line 394, in solve
    r = gufunc(a, b, signature=signature, extobj=extobj)
  File "/home/user/Data/Software/cryosparc/cryosparc_worker/deps/anaconda/envs/cryosparc_worker_env/lib/python3.7/site-packages/numpy/linalg/", line 88, in _raise_linalgerror_singular
    raise LinAlgError("Singular matrix")
numpy.linalg.LinAlgError: Singular matrix

Hi @Dmitry, which version of cryoSPARC are running? (edited)

1 Like

hello - the version is 3.2.0

Hi @Dmitry,

Is this the first iteration of CTF Refinement within Non-Uniform Refinement? Did previous iterations of CTF Refinement work?
Also, can you please provide any of the CTF Refinement plots that were outputted before this error? You can send screenshots or copy+paste.

1 Like

hello, this is almost the final iteration.

Hi @Dmitry,

Thanks for sending this. Can you send the exact same screenshots, but for the iteration right before this one?

1 Like

hello @stephan, here they are

![Screenshot 2021-11-22 at 17.01.23|632x500]