as.function.polynom {PolynomF} | R Documentation |
PolynomF objects ARE functions, but this coercion method creates from a polynomial object a pure function with the coefficients fully exposed in the code and which evaluates the polynomial more efficiently.
## S3 method for class 'polynom' as.function(x, variable = "x", ...) ## S3 method for class 'polylist' as.function(x, ...)
x |
A polynomial object |
variable |
Character string: what variable name should be used? |
... |
Additional arguments |
An explicit R function evaluating the polynomial
p <- poly_from_zeros(-2:3) p as.function(p)