How to create cp-λ characteristics curve, for different values of the pitch angle β for Wind Turbine block?

How to create cp-λ characteristics curve, for different values of the pitch angle β just like the example shown in the Wind Turbine blocks explanation?

Source: https://www.mathworks.com/help/physmod/sps/powersys/ref/windturbine.html

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Someone created a duplicate of this question, which now has an answer

https://www.mathworks.com/matlabcentral/answers/1933845-how-to-create-cp-characteristics-curve-for-different-values-of-the-pitch-angle-for-wind-turbine

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