Cody

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

Solution 267707

Submitted on 26 Jun 2013 by Preeyanka
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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))

y = NaN 1 2 NaN 17 3 -4 NaN z = 4 y = 0 1 2 2 17 3 -4 NaN z = 8 y = 0 1 2 2 17 3 -4 -4 z = Empty matrix: 1-by-0

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))

y = NaN 1 2 NaN NaN 17 3 -4 NaN z = 4 y = 0 1 2 2 NaN 17 3 -4 NaN z = 5 y = 0 1 2 2 2 17 3 -4 NaN z = 9 y = 0 1 2 2 2 17 3 -4 -4 z = Empty matrix: 1-by-0

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

y = NaN NaN NaN NaN z = 2 y = 0 0 NaN NaN z = 3 y = 0 0 0 NaN z = 4 y = 0 0 0 0 z = Empty matrix: 1-by-0

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

y = 1 2 3 4 5 6 7 8 9 10 NaN z = 11 y = 1 2 3 4 5 6 7 8 9 10 10 z = Empty matrix: 1-by-0