MATLAB: I want a programme to approximate decimal to number

Question

i want a programme to approximate decimal to number

EX:

if I have 2.1 or 2.3 or 2.3 or 2.4

I want the answer to be 2

and if i have 2.5 till to 2.9

I want the answer to be 3

but the number is variable

I mean (2) can be 1,2,3,4,…..and so on

any number i can enter it

Answer 1

Do you just need the round() function?

>> round(2.3)
ans = 
     2