cumulative_sums_pairwise

abjad.mathtools.cumulative_sums_pairwise.cumulative_sums_pairwise(argument)

Gets pairwise cumulative sums of argument from zero.

>>> abjad.mathtools.cumulative_sums_pairwise([1, 2, 3, 4, 5, 6])
[(0, 1), (1, 3), (3, 6), (6, 10), (10, 15), (15, 21)]

Returns pairs in new object of argument type.