How can I subtract second entity from the first in an array or a matrix?

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M Yasir Muneeb 2017-3-12

评论： Jan 2017-3-12

For example,

N=[0 7330 15100 23100 30400 34400 38400 41300 44800 46200 47300 47500 46100 44800 42600 36400]

I want another array or matrix in which first element is subtracted from the second? Such as

N1=[7330-0 15100-7330 ..... ]

Last digit does not need to be subtracted since it's not lagging any element.

per isakson 2017-3-12

Jan 2017-3-12

@per: diff(N) solves the problem, so please post it as an answer.

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