This fails for test case 4 even though it is mathematically correct--it gives 0.27343749999999994 instead of 0.2734375, while the test suite asks for 0.273438; it seems as though a fair test generally has to be of the form abs(y-y_correct)
Getting logical indexes
Calculate the derivative of a polynomial
Make a Pandiagonal Prime Magic Square: 11 x 11
GJam 2014 China Rd A: Library Sorting (Large)
Minimum Set (A+A)U(A*A) OEIS A263996
Packing Santa's Sleigh: First Layer
GJam 2017 Kickstart: Parentheses (Large)
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