Polar plot using excel data

Hi, I want to make a polar plot using data I have from excel. I'm measuring the intensity of a laser while using a polarizer. My one column is the degree of rotation from 0-360 in increments of 10s, and my second colum is the intensity measured at each angle. Thank you in advance

Answer 1

[Star Strider]

The polar and polarplot functions require the angles to be in radians.

So using degrees requires the deg2rad function —

angles = linspace(0, 360, 50);
radius = sind(angles).^2;

figure
polarplot(deg2rad(angles), radius)

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[jcc]

Thank you for your help, but if I could ask one more question as far as using the my excell dataset. Should I be using the xlsx function or xlsread function for matlab to be able to use my data? thanks again for your help!

[Star Strider]

My pleasure!

Since you are using R2021a (thank you for adding that), use the readtable or readmatrix function to read the .xlsx file. (Also, R2021b is available for download and installation.)

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