On Sun, Mar 29, 2020 at 8:58 AM KamilStawiarski <
address@hidden> wrote:
>> inv(randn(6,6)+randn(6,6)*i) <- still running.
It seems that this occures with matrices larger than 5x5.
Can somebody check occurrence of this at your copy?
octave:1> a=(randn(5000) + i*randn(5000));
octave:2> whos a
Variables visible from the current scope:
variables in scope: top scope
Attr Name Size Bytes Class
==== ==== ==== ===== =====
c a 5000x5000 400000000 double
Total is 25000000 elements using 400000000 bytes
octave:3> tic; inv(a); toc
Elapsed time is 3.61655 seconds.
octave:4>
Your blas library (atlas/openblas -- whatever you are using ) is broken.