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

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Stephen Devlin
Stephen Devlin 2018-3-9
编辑： Jan 2018-3-10
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

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Jan
Jan 2018-3-9
编辑：Jan 2018-3-9
Maybe you mean:
Result = A(:, 1) + (0.05 - 0.1 * rand(size(A, 1), 1)) * A(:, 2)
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