Cody

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

Solution 347933

Submitted on 8 Nov 2013 by Greg
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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))

nn = 1 j = 3 x = 0 1 2 2 17 3 -4 NaN nn = 0 nn = 1 j = 7 x = 0 1 2 2 17 3 -4 -4 nn = 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))

nn = 1 j = 3 x = 0 1 2 2 NaN 17 3 -4 NaN nn = 0 nn = 1 j = 4 x = 0 1 2 2 2 17 3 -4 NaN nn = 0 nn = 1 j = 8 x = 0 1 2 2 2 17 3 -4 -4 nn = 0

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

nn = 1 j = 1 x = 0 0 NaN NaN nn = 0 nn = 1 j = 2 x = 0 0 0 NaN nn = 0 nn = 1 j = 3 x = 0 0 0 0 nn = 0

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

nn = 1 j = 10 x = 1 2 3 4 5 6 7 8 9 10 10 nn = 0

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