The problem description is broken(?) and you have mentioned the code in the test suite (you might want to remove that)
The test suite has had the "solution" code removed. The description was also cleaned up. (If it's not loading, simply reload the page.) I'm not sure how much these fixes help, though...
Program an exclusive OR operation with logical operators
Flip the main diagonal of a matrix
Find a Pythagorean triple
Rounding off numbers to n decimals
Concatenate two strings
Convert a Cell Array into an Array
is the number happy?
Is this number Munchhausen Narcissistic?
provide the numerical answer to these number questions...
Convert vector datasets to plot with imagesc instead of scatter
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