lm_indices# de_ebsd.index.spherical.lm_indices(bandwidth, device=None)[source]# Degree and order of each packed coefficient slot. Returns (degrees, orders), each a 1-D long tensor of length (L + 1) ** 2, so that slot c holds a_{l m} with l = degrees[c] and m = orders[c], ordered c = l * l + l + m.