how can i write formula with multiple summation in matlb? help needed ASAP

kindly help me to write formula in the attached file ASAP. answer please

regards Ammara

[John D'Errico]

http://www.mathworks.com/matlabcentral/answers/29922-why-your-question-is-not-urgent-or-an-emergency

Everybody wants an answer as soon as possible.Do you honestly think people ask questions, not really caring if they get an answer in an hour, tomorrow, next week, or 5 years from now?

[dpb]

And, meantime, what have you done so far?