Cody

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

Solution 2233641

Submitted on 25 Apr 2020
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### Test Suite

Test Status Code Input and Output
1   Fail
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))

a = 13

Array indices must be positive integers or logical values. Error in every_3rd_element (line 4) x(i)=4 Error in Test1 (line 3) assert(isequal(every_3rd_element(x),y_correct))

2   Fail
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))

a = 30

Array indices must be positive integers or logical values. Error in every_3rd_element (line 4) x(i)=4 Error in Test2 (line 3) assert(isequal(every_3rd_element(x),y_correct))