[Octave-bug-tracker] [bug #65020] Issues with inv() on new intel architecture

[Dmitri A. Sergatskov]

Follow-up Comment #5, bug#65020 (group octave):


[comment #4 comment #4:]
> On the Xeon system: 
> octave:1> randn('seed',0);
> octave:2> A = randn(100);
> octave:3> B = inv(A);
> octave:4> max(max(abs(A*B - eye(100))))
> ans = 2.8047e+04

This is bad. 
But there is nothing octave can do about it. It is an issue with 
an underlying library. You should report it to OpenBlas and/or lapack/blas
people.

Sincerely,

Dmitri.
-- 




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