Cody

# Problem 2990. Replace every 3rd element in a vector with 4

Solution 1567847

Submitted on 23 Jun 2018 by Srishti Saha
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### Test Suite

Test Status Code Input and Output
1   Pass
x = [11 23 34 43 2 31 6 34 5 45 26 7 78]; y_correct = [11 23 4 43 2 4 6 34 4 45 26 4 78]; assert(isequal(every_3rd_element(x),y_correct))

le = 13 en = 12 A = 3 6 9 12 x = 11 23 4 43 2 4 6 34 4 45 26 4 78 ans = 11 23 4 43 2 4 6 34 4 45 26 4 78

2   Pass
x = [82 91 13 92 64 10 28 55 96 97 16 98 96 49 81 15 43 92 80 96 66 4 85 94 68 76 75 40 66 18]; y_correct = [82 91 4 92 64 4 28 55 4 97 16 4 96 49 4 15 43 4 80 96 4 4 85 4 68 76 4 40 66 4]; assert(isequal(every_3rd_element(x),y_correct))

le = 30 en = 30 A = 3 6 9 12 15 18 21 24 27 30 x = Columns 1 through 29 82 91 4 92 64 4 28 55 4 97 16 4 96 49 4 15 43 4 80 96 4 4 85 4 68 76 4 40 66 Column 30 4 ans = Columns 1 through 29 82 91 4 92 64 4 28 55 4 97 16 4 96 49 4 15 43 4 80 96 4 4 85 4 68 76 4 40 66 Column 30 4