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dx2x​

dx2x(
    @dx ## list (required)
    @st 0
) -> list

Takes a list of differences—i.e., deltas—and an optional starting value, and returns the cumulative sum between adjacent elements, as a list. Inverse of x2dx.

Arguments​

  • @dx [list]: List of differences/deltas. (required)
  • @st [int/float]: Optional starting value. (default: 0).

Output​

Cumulative sum of differences from starting value. [list]

Usage​

print(dx2x(3 2 1)) ## 0 3 5 6