%% Centered Moving Sum of Vector
% Compute the three-point centered moving sum of a row vector. When there are fewer than three elements in the window at the endpoints, take the sum over the elements that are available.

A = [4 8 6 -1 -2 -3 -1 3 4 5];
M = movsum(A,3)

% Copyright 2012 The MathWorks, Inc.