[Mne_analysis] Memory Error

[Alexandre Gramfort]

        External Email - Use Caution        

hi,

try reducing the size of your source space or find a machine with more RAM.
It seems you need at least 25GB here.

HTH
Alex

On Thu, Jun 25, 2020 at 9:04 PM Diptyajit Das <bmedasdiptyajit at gmail.com> wrote:
>
>         External Email - Use Caution
>
> Dear MNE users,
>
> I am trying to do something similar that has been done in this example:
> https://mne.tools/stable/auto_examples/inverse/plot_psf_ctf_vertices.html#sphx-glr-auto-examples-inverse-plot-psf-ctf-vertices-py
>
> Except, I would like to compute my forward and Inverse operator with free orientation instead of being fixed or perpendicular to the cortical surface. However, I am getting this following error once I try to compute it. Is there any workaround to skip this memory error??
>
> Best,
> Dip
>
> Error:
> Traceback (most recent call last):
>   File "/media/diptyajit/Elements/Pycharm_Aud_Cog/plot_psf_ctf_vertices.py", line 53, in <module>
>     snr = 3.0
>   File "<decorator-gen-313>", line 21, in make_inverse_resolution_matrix
>   File "/home/diptyajit/anaconda3/lib/python3.7/site-packages/mne/minimum_norm/resolution_matrix.py", line 60, in make_inverse_resolution_matrix
>     resmat = invmat.dot(leadfield)
> MemoryError: Unable to allocate array with shape (56310, 56310) and data type float64
>
>
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