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Solution 304607

Submitted on 15 Aug 2013 by Alfonso Nieto-Castanon

Correct

17Size
Leading solution size is 10.
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(2,2,2);
y = neg2(neg2(x));
y_correct = -x;
assert(isequal(y,y_correct))
ans =
    @(~)x
2
Pass
 
%%
x = [];
y = neg2(neg2(x));
y_correct = -x;
assert(isequal(y,y_correct))
ans =
    @(~)x
3
Pass
 
%%
x = sqrt(-5);
y = neg2(neg2(x));
y_correct = -x;
assert(isequal(y,y_correct))
ans =
    @(~)x
4
Pass
 
%% What does a single call give?
x = rand;
disp(neg2(x))
ans =
    @(~)x
    @(~)x