How to find the perunit impedance of each element in electric electric power system using MATLAB??

This video explains how to find the per-unit value of all the components in electrical power system using MATLAB.
The problem is given below:

Draw the reactance diagram for the electrical power system shown in figure (b) showing all impedance in per unit on a 200-MVA base. Choose 25-KV as the base for generator. The ratings of the generator, motor and transformers are:

Generator 1: 100 MVA 25KV X=9%
Generator 2: 100MVA 25KV X=9%
Transformer 1: 90 MVA 25/220 KV X=12%
Transformer 2: 90 MVA 220/25 KV X=12%
Line: 220 KV X=150Ω

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Link for the problem solve in analytical method