Cody

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

Solution 41730

Submitted on 15 Feb 2012 by Hans
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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))

x = 0 1 2 NaN 17 3 -4 NaN b = 1 b = 2 x = 0 1 2 2 17 3 -4 NaN b = 17 b = 3 b = -4 x = 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))

x = 0 1 2 NaN NaN 17 3 -4 NaN b = 1 b = 2 x = 0 1 2 2 NaN 17 3 -4 NaN x = 0 1 2 2 2 17 3 -4 NaN b = 17 b = 3 b = -4 x = 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))

x = 0 NaN NaN NaN x = 0 0 NaN NaN x = 0 0 0 NaN x = 0 0 0 0

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

b = 1 b = 2 b = 3 b = 4 b = 5 b = 6 b = 7 b = 8 b = 9 b = 10 x = Columns 1 through 10 1 2 3 4 5 6 7 8 9 10 Column 11 10