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 class 'rationalfun'
deriv(expr, ...)

Arguments

Value

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

See Also

deriv.polynomial, deriv

Examples

# (x + 1) / (x^2 + x + 1)
r <- rationalfun(c(1, 1), c(1, 1, 1))
deriv(r)

Results