This problem has been polished and the test suite expanded and improved.
Project Euler: Problem 7, Nth prime
04 - Scalar Equations 1
Sum of the Matrix Elements
Write a code that will follow the equation y = x * (x + x) * x.
Change matrix to vector
Delete x value in given vector y.
Get derivarive of polynomial given as vector array.
Find sum of negative elements in row.
Solve expression I
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