You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: trajectoriesHeatMap.m
    path of file: ./repos/trajectory-based-ship-classification/Illustrations/Figure 4/b
    
    the code of the file until where you have to start completion: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Desarrollado por | Developed by:                     %
% University Carlos III of Madrid PhD Researchers      %
% Daniel Amigo Herrero    mailto: damigo@inf.uc3m.es   %
% David Sanchez Pedroche  mailto: davsanch@inf.uc3m.es %
%%%%%%%%%%%%%%%%%%%
    
function trajectoriesHeatMap()

close all;

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PREPARACI�N DE VARIABLES, CARPETAS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Variables que definen el fichero a procesar

% Lugar donde sacar la imagen
currentFilePath = mfilename('fullpath');
aux = split(currentFilePath, '\');
currentPath = "";
for i=1:length(aux)-1
    currentPath = strcat(currentPath, aux{i}, "/");
end