Note that this problem uses the word solve when it needs to say EVALUATE.
Also the required code to pass the tests shouldn't be available by COPY-AND-PASTE from Test Suite!
The Answer to Life, the Universe, and Everything
Create a vector
Summation of array
Get derivarive of polynomial given as vector array.
Create a square matrix with given conditions
For given vectors x,y find coresponding spline coefficients.
Display positive elements of matrix.
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