MATLAB: Weired vector substraction!

vector subtraction

I need to find the subtraction of two vectors (to find the error), I did it as A-B. The result values are increasing with time, but the values of the two vectors exactly match! Any logical reason for that?
Attached is the mat file which contains the two vectors and the plot of the different. Thanks.

Best Answer

I suspect you believe they match because when you display them in the Command Window they display the same values. But as John D'Errico stated, they are close but not identical. They appear so using the default display format, but if you were to change to a different format they wouldn't.
format longg
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