Matlab crashing when importing numpy

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John Pevey
John Pevey il 17 Set 2020
Risposto: Pierre Loicq il 7 Apr 2021
I've been running into a problem where a matlab/python code is failing. When running this simple matlab code:
function out = python_test()
py.importlib.import_module('numpy')
I get the following following error:
MATLAB: malloc.c:2396: sysmalloc: Assertion `(old_top == initial_top (av) && old_size == 0) || ((unsigned long) (old_size) >= MINSIZE && prev_inuse (old_top) && ((unsigned long) old_end & (pagesize - 1)) == 0)' failed.
Other questions with this same error point to mis-allocating of variables. But I can't see how that could be the case in this very simple case.
Matlab version: 2019a
Python version 3.6.8
Linux version: CentOS Linux 8
Any help would be appreciated, thanks!

Risposte (2)

Shantanu Dwivedi
Shantanu Dwivedi il 21 Set 2020
Please try upgrading to MATLAB R2019b. This should solve the issue.

Pierre Loicq
Pierre Loicq il 7 Apr 2021
I resolved a similar problem on Matlab 2016b with this one :
https://fr.mathworks.com/matlabcentral/answers/358233-matlab-python-interface-broken#answer_283353

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