How do I get a running sum of elements in an array?

[Gene Z.]

i.e Array1 = 2,3,5,1,4 -> Array2 = 5,10,11,15

[dan bookwalter]

I am confused as to what you want to sum...

do you want to sum 2,3,5,1,4 etc...

or do you want to sum 2,5 3,10 5,11 etc... ???

Dan

[Gene Z.]

I want to have a running sum of an array, for example, that is 2,3,5,1,4 and get an array with that running sum 5,10,11,15.

[altenbach]

You can use e.g. the code of the attached image.

[altenbach]

Small Correction: I did not notice that you apparently don't want the first element, and the result should be smaller by one. In this case, simply clip the first element from the output (e.g. as shown in the image using array subset starting at element 1).

[Gene Z.]

Perfect, Thank you.