Subtract row from previous row

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C Smyth
C Smyth 2018-3-12
评论： Farhan Mustafa 2020-5-24
I have a column of data (n long) and I want to subtract each row from the previous. So x = 1 2 6 1 etc
and I want to subtract row 2 from row 1, then row 3 from row 2 ... etc. Ans = -1 -4 5 etc.

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Birdman
Birdman 2018-3-12
x(1:end-1)-x(2:end)

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