how i can write unit step function and puls function

for example this puls function

F(t)=F0[u(t-t1)- u(t-t2)]

Answer 1

[Mark Sherstan]

Use step and/or rectangularPulse functions.

[Mustafa Alhandhali]

can you give me the code for my function above

[Mark Sherstan]

What will you be using this for? Is it a homework question?

[Mustafa Alhandhali]

Yes:(