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Solution 57167

Submitted on 6 Mar 2012 by Alan Chalker

Correct

28Size
Leading solution size is 9.
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
 
%% test one
x = orth(randn(3));
y_correct = true;
assert(isequal(isOrthogonal(x),y_correct))
c =
     3
2
Pass
 
%% test two
x = orth(randn(4));
y_correct = true;
assert(isequal(isOrthogonal(x),y_correct))
c =
     4
3
Pass
 
%% test three
x = orth(randn(5));
y_correct = true;
assert(isequal(isOrthogonal(x),y_correct))
c =
     5
4
Pass
 
%% test four
x=sqrt([3,1;1,1]);
y_correct = false;
assert(isequal(isOrthogonal(x),y_correct))
c =
     2
5
Pass
 
%% test five
x = magic(6);
y_correct = false;
assert(isequal(isOrthogonal(x),y_correct))
c =
     6
6
Pass
 
%% test six
x = randn(2)+1;
y_correct = false;
assert(isequal(isOrthogonal(x),y_correct))
c =
     2