taking too much time to execute

Dear Sir/ Madam,

I am an Phd Scholar from India. I am doing one matlab code, but after running even 5 days it is showing busy. It is even not showing ANY ERROR CODE.The code does not contain any loop so that At the last line of the code its taking too much time. why is this happening i dont understand. i am attaching the m.file Is there any solution for this problem, waiting to hear from you.