def omega(k, j, z, x):
        """ omega_k_j """
        sum_out = 0
        for i in range(len(x)):
            sum_in = 0
            for t in range(len(x[i])):
                sum_in += z[i][k] * EMMMixPLAggregator.indic(j, x[i], t)
            sum_out += sum_in
        return sum_out
def omega ( k , j , z , x ) : sum_out = 0 for i in range ( len ( x ) ) : sum_in = 0 for t in range ( len ( x [ i ] ) ) : sum_in += z [ i ] [ k ] * EMMMixPLAggregator . indic ( j , x [ i ] , t ) sum_out += sum_in return sum_out
omega_k_j