OK. I figured out the issue with the test suite. Please check the absolute value of the difference when comparing the computed answers to the correct ones. Otherwise, you'll get some really silly answers. (Like this one! :-)
My, you are tricky, James, finding all those loopholes. I've fixed the test suite to check against upper and lower bounds of each answer.
I was just really curious why one of my answers worked when it didn't include a or b. Some experimentation and a lot of (now wrong) solutions narrowed it down. I had to use some of these equations in my senior project at college, so I knew that the dimensions were very important!
Compute a dot product of two vectors x and y
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Number of digits in an integer
Find a Pythagorean triple
Solve Linear equations
Legend of Zelda - Rupee Count
Mersenne Primes vs. All Primes
Rule of mixtures (composites) - lower and upper bounds (volumes)
Divisible by 14
Singular Value Decomposition
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