Cody

# Problem 73. Replace NaNs with the number that appears to its left in the row.

Solution 1973625

Submitted on 13 Oct 2019 by Xiao Zehn
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

### Test Suite

Test Status Code Input and Output
1   Pass
x = [NaN 1 2 NaN 17 3 -4 NaN]; y_correct = [0 1 2 2 17 3 -4 -4]; assert(isequal(replace_nans(x),y_correct))

NotNaNs = 1×8 logical array 0 1 1 0 1 1 1 0 indices = 0 1 2 2 3 4 5 5 NotNaNList = 0 1 2 17 3 -4 y = 0 1 2 2 17 3 -4 -4

2   Pass
x = [NaN 1 2 NaN NaN 17 3 -4 NaN]; y_correct = [ 0 1 2 2 2 17 3 -4 -4]; assert(isequal(replace_nans(x),y_correct))

NotNaNs = 1×9 logical array 0 1 1 0 0 1 1 1 0 indices = 0 1 2 2 2 3 4 5 5 NotNaNList = 0 1 2 17 3 -4 y = 0 1 2 2 2 17 3 -4 -4

3   Pass
x = [NaN NaN NaN NaN]; y_correct = [ 0 0 0 0]; assert(isequal(replace_nans(x),y_correct))

NotNaNs = 1×4 logical array 0 0 0 0 indices = 0 0 0 0 NotNaNList = 0 y = 0 0 0 0

4   Pass
x = [1:10 NaN]; y_correct = [ 1:10 10]; assert(isequal(replace_nans(x),y_correct))

NotNaNs = 1×11 logical array 1 1 1 1 1 1 1 1 1 1 0 indices = 1 2 3 4 5 6 7 8 9 10 10 NotNaNList = 0 1 2 3 4 5 6 7 8 9 10 y = 1 2 3 4 5 6 7 8 9 10 10