Cody

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

Solution 404065

Submitted on 14 Feb 2014 by Simon
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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))

num = 0 1 1 0 1 1 1 0 ind = 0 1 2 2 3 4 5 5 xnum = 0 1 2 17 3 -4 ans = 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))

num = 0 1 1 0 0 1 1 1 0 ind = 0 1 2 2 2 3 4 5 5 xnum = 0 1 2 17 3 -4 ans = 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))

num = 0 0 0 0 ind = 0 0 0 0 xnum = 0 ans = 0 0 0 0

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

num = 1 1 1 1 1 1 1 1 1 1 0 ind = 1 2 3 4 5 6 7 8 9 10 10 xnum = 0 1 2 3 4 5 6 7 8 9 10 ans = 1 2 3 4 5 6 7 8 9 10 10