Cody

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

Solution 597625

Submitted on 17 Mar 2015 by Alexander Razmyslov
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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))

ind = 1 4 8 ind = 4 8 x = 0 1 2 2 17 3 -4 -4 ind = Empty matrix: 1-by-0 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))

ind = 1 4 5 9 ind = 4 5 9 x = 0 1 2 2 NaN 17 3 -4 -4 ind = 5 x = 0 1 2 2 2 17 3 -4 -4 ind = Empty matrix: 1-by-0 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))

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

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

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