Anyone can help with MATLAB software

[Ashknany]

Hi there,
anyone can help me to solve MATLAB question ?
i'm continue my studying abroad in UK in the 3rd year
i've Analysis & methods this course and they gave us a question on MATLAB software and i know nothing about it or how to use it :/
and I'm really stick in this question and please anyone can help me with that i will really appreciate it :/

The question is: http://images.q8boy.com/uploads/e936059bf1.jpg

 

[SGT]

You must read the Matlab manual in order to solve the question.

For the first function, the Matlab .m file should be:

function u = func1(t)
u = exp(-t) .* cos(t)

The rest is up to you