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Solution 244594

Submitted on 15 May 2013 by G K

Correct

66Size
Leading solution size is 11.
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 = [-1 2 3;1 -2 -2;3 3 -3];
y_correct = [ 1 -3 -3;-2 2 -2;-3 -3 3];
assert(isequal(SignChange(x),y_correct))

                    
2
Pass
 
%%
x = magic(4);
y_correct = [16 -13 -13 -13; -10 11 -10 -10;-12 -12 6 -12;-15 -15 -15 1];
assert(isequal(SignChange(x),y_correct))

                    
3
Pass
 
%%
x = zeros(4);
y_correct = x;
assert(isequal(SignChange(x),y_correct))

                    
4
Pass
 
%%
x =  [-1 1 -1;1 -1 1;-1 -2 -3];
y_correct = [1 -1 -1;-1 1 -1;-2 -2 3];
assert(isequal(SignChange(x),y_correct))