|closest-polynomial||s &key (order 3)|
|least-squares-estimation||s &key (order 3)|
|polynomial-value||x coeffs &key (element-type t)|
Finds the coefficients of the closest polynomial of order 'order' by a least squares estimation. Highest order coeffs first. The polynomial is considered to be defined between 0 and 1.
Computes the polynomial values of the polynomial defined by its coefficients. 'x' can be a number or an array.