How to plot the percentage of content of frequency in a given signal vs frequency for thd analysis in Matlab r2013a?

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Himanshu Singh on 4 Jun 2014

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https://www.mathworks.com/matlabcentral/answers/132477-how-to-plot-the-percentage-of-content-of-frequency-in-a-given-signal-vs-frequency-for-thd-analysis-i

Closed: MATLAB Answer Bot on 20 Aug 2021

Doing a project on the Power quality improvement. Got stuck while plotting the above graph. The Matlab help states I can use the Spectrum Analyzer to do that but idk whats wrong with my copy of matlab that there is no such thing as Distortion Measurements in Tools > Measurements. Here is an image of what I want to plot: http://goo.gl/IsN8VW Any help is appreciated!