Create a routine that takes a list of coefficients of a polynomial in order of increasing powers of x; together with a value of x to compute its value at, and return the value of the polynomial at that value using Horner's Rule.
For example: A fast scheme for evaluating a polynomial such as:
when
is to arrange the computation as follows:
Use of polyval and regexp is prohibited
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seems like a really fun and challenging problem!
Maybe the author should prohibit the use of polyval, str2num and regexp for this problem.
Challenging Problem