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7.7.16.0. showgrades
Procedure from library purityfiltration.lib (see purityfiltration_lib).

Usage:
showgrades(T), T list, which includes representation matrices of modules

Return:
list, gradenumbers of the entries in T

Purpose:
computes a list L with L[i]=gradenumber(M), M=D^p/D^qT[i]

Example:
 


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