Problem 42992. S-T-R-E-T-C-H I-T O-U-T

Solution 1799920

Submitted on 29 Apr 2019 by Michal Belorit

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Test	Status	Code Input and Output
1	Pass	x = [1 5 2 4 3];n=1; y_correct = [1 3 5 3.5 2 3 4 3.5 3]; assert(isequal(stretch_it_out(x,n),y_correct))
2	Pass	x = [1 5 2 4 3];n=2; y_correct=[1 2+1/3 3+2/3 5 4 3 2 2+2/3 3+1/3 4 3+2/3 3+1/3 3]; y=abs(stretch_it_out(x,n)-y_correct); assert(max(y)<1e-9)
3	Pass	k=ceil(5*rand)+1 x=1:k:121 n=k-1; assert(isequal(stretch_it_out(x,n),1:121)) k = 4 x = Columns 1 through 30 1 5 9 13 17 21 25 29 33 37 41 45 49 53 57 61 65 69 73 77 81 85 89 93 97 101 105 109 113 117 Column 31 121
4	Pass	x=[1 -1 1 -1 1 -1 1];n=3; y_correct=[1 0.5 0 -0.5 -1 -0.5 0 0.5 1 0.5 0 -0.5 -1 -0.5 0 0.5 1 0.5 0 -0.5 -1 -0.5 0 0.5 1]; assert(isequal(stretch_it_out(x,n),y_correct))