i am new to matlab . i found this code online for face recognition however i am not able to understand the syntax . can someone help please

%%Load Image Information from ATT Face Database Directory
faceDatabase = imageSet('FaceDatabaseATT','recursive');

%%display query image and database side by side
[filename, pathname]=uigetfile({'*.pgm'},'File Selector');
image=strcat(pathname,filename);
                                                                               figure;
for i=1:size(faceDatabase,2)
    imageList(i) = faceDatabase(i).ImageLocation(5);
end
subplot(1,2,1);
imshow(image);
subplot(1,2,2);
montage(imageList);
diff = zeros(1,9);

Answer 1

[Image Analyst]

Try this link:

http://www.mathworks.com/matlabcentral/answers/8026-best-way-s-to-master-matlab

or ask a more specific question.