Replace slow `mean(abs(x-y))` with fast `matutils.mean_absolute_difference`#2284

Merged

menshikh-iv merged 2 commits intopiskvorky:developfrom horpto:mean_abs_diff

Dec 12, 2018

+6-6

Commits on Dec 7, 2018

Replace inline slow equivalent of mean_absolute_difference with fast
horpto
committed

Commits on Dec 11, 2018

Merge remote-tracking branch 'upstream/develop' into mean_abs_diff
menshikh-iv
committed