diff operation generating error Subscript indices must either be real positive integers or logicals

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Jeff
Jeff 2017-2-16
评论： Jeff 2017-2-16
I have a time vector which I have attached in a .mat file.
diff(time) generates the following error: Subscript indices must either be real positive integers or logicals.
time is a vector, it does not contain values to be interpreted as indices. Why is this occurring & how can I correct it?

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Matt J
Matt J 2017-2-16
编辑：Matt J 2017-2-16
You have a variable named "diff" somewhere in your workspace. MATLAB is interpreting diff(time) as an attempt to index it.
Solution: clear it or rename it to something else.

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