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Solution 450170

Submitted on 5 Jun 2014 by rifat ahmed

Correct

18Size
Leading solution size is 18.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test
Code Input and Output
1
Pass
 
%%
x = rand(4);
y_correct = [zeros(1,size(x,2));x];
assert(isequal(addrow(x),y_correct))
ans =
         0         0         0         0
    0.6557    0.6787    0.6555    0.2769
    0.0357    0.7577    0.1712    0.0462
    0.8491    0.7431    0.7060    0.0971
    0.9340    0.3922    0.0318    0.8235
2
Pass
 
%%
x = [];
y_correct = zeros(1,0);
assert(isequal(addrow(x),y_correct))
ans =
   Empty matrix: 1-by-0
3
Pass
 
%%
x = rand(8,1);
y_correct = [zeros(1,size(x,2));x];
assert(isequal(addrow(x),y_correct))
ans =
         0
    0.6948
    0.3171
    0.9502
    0.0344
    0.4387
    0.3816
    0.7655
    0.7952
4
Pass
 
%%
x = zeros(0,1);
y_correct = 0;
assert(isequal(addrow(x),y_correct))
ans =
     0