How to make data random around a given point and within a particular range

Hi, I am trying to write a table with some fake data and need it to compare to a checking vector(A(:,2)). In the checking vector each neighbouring field increments by a defined amount. I want the fake data to increment by an amount to bring the fake data field within say +/- 0.05 of whatever the checking vector is but to have this variance random. Is this possible?

A(:,1)=(1:5)%this is just an index
A(:,2)=[0;84.66716;169.33432;254.00148;338.66864;]%the check vector

Answer 1

[Jan]

Maybe you mean:

Result = A(:, 1) + (0.05 - 0.1 * rand(size(A, 1), 1)) * A(:, 2)

[Stephen Devlin]

This worked

Result = A(:, 2) + (0.05 - 0.1 * rand(size(A, 1), 1))

Thanks Jan

[Jan]

@Stephen: Then I got it at least almost. :-)

[Stephen Devlin]

:-) Its much appreciated Jan, I've used a few permutations of it now :-)