cumsum-1.m

GNU Octave is a high-level language, primarily intended for numerical computations. It provides a c

(cumsum ([1, 2, 3]) == [1, 3, 6] && cumsum ([-1; -2; -3]) == [-1; -3; -6]
 && cumsum ([i, 2+i, -3+2i, 4]) == [i, 2+2i, -1+4i, 3+4i])