Problem 2223. Cumulative difference

Solution 2027362

Submitted on 19 Nov 2019 at 8:13 by Giacomo Bacco

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Test	Status	Code Input and Output
1	Pass	x = [1 3 5 7]; y_correct = [1 2 1 -2]; assert(isequal(CumDiff(x),y_correct))
2	Pass	x = [23 3 15 16]; y_correct = [23 -20 -11 -25]; assert(isequal(CumDiff(x),y_correct))
3	Pass	x = [5]; y_correct = [5]; assert(isequal(CumDiff(x),y_correct))
4	Pass	x = 43:49; y_correct = [ 43 1 -42 -86 -131 -177 -224]; assert(isequal(CumDiff(x),y_correct))
5	Pass	x = zeros(0,1); y_correct = zeros(0,1) assert(isequal(CumDiff(x),y_correct)) y_correct = 0×1 empty double column vector
6	Pass	x = [1 10 100 1000 10000]; y_correct = [1 9 89 889 8889]; assert(isequal(CumDiff(x),y_correct))