_:n6a24e6b3fe334a6ab30f0ab4b6a5590axb0
<http://schema.org/mainEntity>
_:n6a24e6b3fe334a6ab30f0ab4b6a5590axb1
<https://in.mathworks.com/matlabcentral/answers/253106-how-to-generate-a-square-wave-with-a-fundamental-frequency-of-50hz>