I solved the first test suite symbolically to make sure I was on the right path an got:
[1.0, 6.4839432567518947511762312927844, 9.0049224364695494006414430797622, 8.992494072596270056922480305016, 6.9752731606055591524878412503205, 3.6901871946858786387135688683041, 0].
I am not sure why it would be wrong.
Dy = diff(y);
Sorry David. I made a mistake with the signs in the last term of the equation. I "modified" the problem description (quotes intentional). This version should work, but please let me know if it doesn't.
Replace NaNs with the number that appears to its left in the row.
Spot the rectangle
Identify Wagstaff primes
Find the nth Fibbinary number
Compute an integral of an exponential function
Find integer solutions to an equation with a sum of binomial coefficients
Count the ways pairs of parentheses can be matched correctly
Count the square-full divisors of a number
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