Forum Discussion
Unexpected behavior when using xpress.sum over numpy array slice of xpress variables
I have an application using a 4-D numpy array of xpress variables of which I only want to sum two dimensions leaving a 2-D numpy array. This gives a strange behavior (incorrect) for the first term of...
Hi Chris,
Thank you for your rapid reply. I was using Xpress 9.02 and NumPy 1.24. I upgraded Xpress to 9.0.4. I was having issues with downgrading Numpy to 1.19, but able to downgrade to 1.20, and am now getting the correct results. Please be aware of this issue for later versions of Numpy.
Thanks!