Atkinson index. -- 2

I want to calculate Atkinson index income distribution according to 5% income distribution groups with firstly MATLAB and may be Excel There are total population number and total income value for the each group in the income distribution. According to these data: 1. first step is: 1. Calculate the equity sensitive average income sensitivity values of 0.5, 1, 1.5 or 2. 2. second step is: 2. Calculate the Atkinson Index There are two articles related to this subject. And also added one txt document income and populatin values İncomeInequality page 9 Spss doucument page : 23 I add this paper only for formulation