MATLAB Tutorial: Adding Degree Symbols to Axes Titles 

How to Insert a Degree Symbol in Axes Titles in MATLAB
MATLAB Tutorial: Adding Degree Symbols to Axes Titles
Degree Symbols in MATLAB Axes Titles
Inserting Degree Symbols in MATLAB Axes Titles
Degree Symbol in MATLAB Axes Titles
Using Degree Symbols in Axes Titles
Formatting Axes Titles with Degree Symbols in MATLAB
Customize MATLAB Axes Titles with Degree Symbols
MATLAB Axes Titles: How to Add Degree Symbols