Cody

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

Solution 1358571

Submitted on 27 Nov 2017 by Sanghai Guan
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### 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))

ans = 0 ans = NaN ans = 1 ans = 2 ans = NaN ans = 17 ans = 3 ans = -4 ans = NaN

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))

ans = 0 ans = NaN ans = 1 ans = 2 ans = NaN ans = NaN ans = 17 ans = 3 ans = -4 ans = NaN

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

ans = 0 ans = NaN ans = NaN ans = NaN ans = NaN

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

ans = 0 ans = 1 ans = 2 ans = 3 ans = 4 ans = 5 ans = 6 ans = 7 ans = 8 ans = 9 ans = 10 ans = NaN