rationalfun (version 0.1-1)

deriv.rationalfun: Differentiate a rational function

Description

Calculate the derivative of a rational function. The returned value result is still an object of class "rationalfun".

Usage

# S3 method for rationalfun
deriv(expr, ...)

Arguments

expr

an object of class "rationalfun"

…

not used in this function

Value

An object of class "rationalfun" representing the derivative of the original rational function.

See Also

deriv.polynomial, deriv

Examples

# NOT RUN {
# (x + 1) / (x^2 + x + 1)
r <- rationalfun(c(1, 1), c(1, 1, 1))
deriv(r)
# }