The sequence defined by x_n = 4*r*x_{n-1}*(1-x_{n-1}) and a given 0 < x_1 < 1 turns each x_n into a polynomial of r.
Write a function f(x_1, r, n) that returns the coefficients p of this polynomial as a row vector (starting with highest degree) and the value v of this polynomial at r.
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Mathematical writing is not very clear
Where would you need more clarity? Wouldn't want to reveal the numerical challenges of evaluating the polynomial.