i want a programme to approximate decimal to number by using if statement

i want a programme to approximate decimal to number by using if statement

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

[Walter Roberson]

duplicates http://www.mathworks.co.uk/matlabcentral/answers/74021-i-want-a-programme-to-approximate-decimal-to-number