Unit step function program

How to write a program code for u(n)-u(n-1) with explanation?

[Ameer Hamza]

What does your question have to do with the unit step function? Give more details of what you are trying to do.

[Vanish Waghela]

How to do this operation of u(n)-u(n-1) using matlab

[Geoff Hayes]

Vanish - is this homework? What have you tried so far?

Answer 1

[Sajeer Modavan]

u = @(x) (2*x+4);    % u = @(variable) (equation)
u(4)-u(4-1)

[Sajeer Modavan]

did this help you

[vanshika waghela]

I also need to show the graph of this!!

[vanshika waghela]

write a matlab program for u(n)+u(n-1) and verify how matlab reacts to it?