MATLAB Answers

Matlab crashing when importing numpy

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John Pevey
John Pevey on 17 Sep 2020
Answered: Shantanu Dwivedi on 21 Sep 2020
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!

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Answers (1)

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

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