Cody

Solution 1932384

Submitted on 12 Sep 2019
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Test Suite

Test Status Code Input and Output
1   Fail
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))

y = 1.0000 3.0000 5.0000 5.0000 3.5000 2.0000 2.0000 3.0000 4.0000 4.0000 3.5000 3.0000 ans = 2.0000 2.0000 0 -1.5000 -1.5000 0 1.0000 1.0000 0 -0.5000 -0.5000

Assertion failed.

2   Fail
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)

y = 1.0000 2.3333 3.6667 5.0000 5.0000 4.0000 3.0000 2.0000 2.0000 2.6667 3.3333 4.0000 4.0000 3.6667 3.3333 3.0000 ans = 1.3333 1.3333 1.3333 0 -1.0000 -1.0000 -1.0000 0 0.6667 0.6667 0.6667 0 -0.3333 -0.3333 -0.3333

Matrix dimensions must agree. Error in Test2 (line 3) y=abs(stretch_it_out(x,n)-y_correct);

3   Fail
k=ceil(5*rand)+1 x=1:k:121 n=k-1; assert(isequal(stretch_it_out(x,n),1:121))

k = 5 x = 1 6 11 16 21 26 31 36 41 46 51 56 61 66 71 76 81 86 91 96 101 106 111 116 121 y = Columns 1 through 30 1 2 3 4 5 6 6 7 8 9 10 11 11 12 13 14 15 16 16 17 18 19 20 21 21 22 23 24 25 26 Columns 31 through 60 26 27 28 29 30 31 31 32 33 34 35 36 36 37 38 39 40 41 41 42 43 44 45 46 46 47 48 49 50 51 Columns 61 through 90 51 52 53 54 55 56 56 57 58 59 60 61 61 62 63 64 65 66 66 67 68 69 70 71 71 72 73 74 75 76 Columns 91 through 120 76 77 78 79 80 81 81 82 83 84 85 86 86 87 88 89 90 91 91 92 93 94 95 96 96 97 98 99 100 101 Columns 121 through 144 101 102 103 104 105 106 106 107 108 109 110 111 111 112 113 114 115 116 116 117 118 119 120 121 ans = Columns 1 through 30 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 Columns 31 through 60 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 Columns 61 through 90 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 Columns 91 through 120 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 Columns 121 through 143 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1

Assertion failed.

4   Fail
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))

y = Columns 1 through 18 1.0000 0.5000 0 -0.5000 -1.0000 -1.0000 -0.5000 0 0.5000 1.0000 1.0000 0.5000 0 -0.5000 -1.0000 -1.0000 -0.5000 0 Columns 19 through 30 0.5000 1.0000 1.0000 0.5000 0 -0.5000 -1.0000 -1.0000 -0.5000 0 0.5000 1.0000 ans = Columns 1 through 18 -0.5000 -0.5000 -0.5000 -0.5000 0 0.5000 0.5000 0.5000 0.5000 0 -0.5000 -0.5000 -0.5000 -0.5000 0 0.5000 0.5000 0.5000 Columns 19 through 29 0.5000 0 -0.5000 -0.5000 -0.5000 -0.5000 0 0.5000 0.5000 0.5000 0.5000

Assertion failed.