I'm trying to grasp Triptych, but I'm having trouble with the declaration of the p matrix (and also the bounds of the lowercase sigma matrix). Would someone mind clarifying the notation there? Thanks.

ping for sarang

With standard n-ary decomposition: github.com/SarangNoether/skunkworks…c2505872d6fab9/triptych/triptych.py

With Gray n-ary decomposition: github.com/SarangNoether/skunkworks…573808381da462/triptych/triptych.py