how to check that difference of two vectors is a multiple of ones in matlab

A=[2 2 2 2 ] B=[3 3 3 3 ] want to check if A-B=k(ones) where k is an integer.

[Stephen23]

"where k is an integer."

Can k be negative? Or zero? Or are only positive k allowed?

[asim nadeem]

K is non zero integer

Answer 1

[Walter Roberson]

Check that the first entry of A-B is an integer with mod() or by comparing it to fix() of itself. Then check that diff() of A-B is all zero.

[Walter Roberson]

t = A - B;
if t(1) ~= 0 && t(1) == fix(t(1)) && all(diff(t) == 0)
   passed
else
   failed
end

Answer 2

[Alexander Jensen]

Is this what you're looking for?:

isInt = ~logical(mod(A-B,1))
isInt =

1×4 logical array

   0   1   1   1

The logical(X) function returns everything that is not 0 as TRUE.

[asim nadeem]

if A= [2 6], B=[6 2] then A-B=[-4 4] so A-B is not an integer multiple of ones as if we take 4 common we get 4*[-1 1]. how can I check it for arbitrary A and B. so if it is multiple of ones then I need 0 or 1 single answer