How to receive the inverse of the diff(x) array calculation ?

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Anwar 2022-11-15

评论： Torsten 2022-11-15

For example ,if x=[a,b,c,d] and diff(x)=[b-a,c-b,d-c],

is there any possible way for [a-b,b-c,c-d].

Torsten 2022-11-15

x = [4 6 9 13];
s1 = -diff(x)
s1 = 1×3
    -2    -3    -4
s2 = [x(1)-x(2),x(2)-x(3),x(3)-x(4)]
s2 = 1×3
    -2    -3    -4

Anwar 2022-11-15

In the code i have x as a decision variable (without any values) of k=10 elements. any ideas ?

Torsten 2022-11-15

x = sym('x',[1 10])

x =

d = x(1:end-1)-x(2:end)

d =

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