random add or subtract a number to an array

Hello All,

I am trying to randomly add or subtract a constant number to all array elments.

For suppose

a= [1 2 3 4]

b = a + either (0.5 only or -0.5 only)

Is there such possiblity in matlab?

Answer 1

[Image Analyst]

Try this:

a = [1 2 3 4]
r = randi([0, 1], size(a)) - 0.5
b = a + r

[Manikatam Gaddam]

Thank you.