Running COMSOL with MATLAB requires a LiveLink™ for MATLAB® license. To run COMSOL with MATLAB, double-click the COMSOL Multiphysics 5.2a with MATLAB icon on the desktop.To display the plot in a COMSOL graphics window you need to run COMSOL with MATLAB using the graphics server. To do so, append the flag -graphics to the COMSOL with MATLAB target path.