MATLAB: How handles and callback and uicontrol works in matlab

Question

i am a beginner in matlab ,so please help me out by explaning the basics handles and callback

Answer 1

http://www.mathworks.com/help/matlab/creating_guis/write-callbacks-using-the-guide-workflow.html

http://www.mathworks.com/videos/handles-and-other-inputs-to-guide-callbacks-97328.html

http://www.mathworks.com/help/matlab/creating_guis/share-data-among-callbacks.html