substract an element from previous element in a matrix

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i have a k vector that contains 5 elements.
i want to write a code that substract - the second element from first
- the third element from second
- the fourth element from third
- the fifth element from fourth
and put them all in a vector form that will contain 4 elements
b=[k(2)-k(1) k(3)-k(2) k(4)-k(3) k(5)-k(4)];
how can i do that?

Answers (1)

Star Strider
Star Strider on 10 May 2022
The diff function seems to be appropriate.

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