Clone the repository.
$ git clone --recursive https://github.com/kloewe/util-m.git <directory>
Add the util-m subfolder to Matlab's path using addpath in Matlab.
>> addpath('<directory>/util-m')
A description of each function can be displayed in Matlab using
>> help <function-name>
If you run into problems, please send an email to kl@kristianloewe.com.