MATLAB is selecting SOFTWARE OPENGL rendering.

                            < M A T L A B (R) >
                  Copyright 1984-2018 The MathWorks, Inc.
                   R2018a (9.4.0.813654) 64-bit (glnxa64)
                             February 23, 2018

 
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running startup.m for version
9.4.0.813654 (R2018a)
Assuming you have NOT paid for the stats toolbox, but have your own versions of things like range()
Display: :60
[Warning: MATLAB has disabled some advanced graphics rendering features by
switching to software OpenGL. For more information, click here.] 
The state of warning 'MATLAB:interp1:NaNinY' is 'off'.
ans =
    '22-Jul-2025 22:45:15'
screen depth: 24
it seems that no regions need to be done
regions =
  0x0 empty char array