find_ql_diff {ppsbm}

Convert index into group pair in tauDown_Q

Description

This function is the inverse of the conversion {(q,l), q<l} into {1,...,Q*(Q-1)/2}. Used only in tauDown_Q.

Usage

find_ql_diff(ind_ql, Q)

Arguments

ind_ql

Converted (q,l) index

Q

Total number of groups Q

Value

Group pair (q,l) corresponding to the given index