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...
All your base are belong to us
Basics: Divide integers to get integer outputs in all cases
Switch matrix to a column vector
Create numeric palindromes and their square roots
Convert a Cell Array into an Array
Convert vector datasets to plot with imagesc instead of scatter
Strange Number Algorithms
Magic Concentric Circles
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