polynom: deriv.polynomial – R documentation

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deriv.polynomial

Differentiate a Polynomial

Calculates the derivative of a univariate polynomial.

## S3 method for class 'polynomial'
deriv(expr, ...)

`expr`	an object of class `"polynomial"`.
`...`	further arguments to be passed to or from methods.

This is a method for the generic function deriv.

Derivative of the polynomial.

pr <- poly.calc(1:5)
pr
## -120 + 274*x - 225*x^2 + 85*x^3 - 15*x^4 + x^5
deriv(pr)
##  274 - 450*x + 255*x^2 - 60*x^3 + 5*x^4

A Collection of Functions to Implement a Class for Univariate Polynomial Manipulations

v1.4-0

GPL-2

Authors

Bill Venables [aut, cre] (S original), Kurt Hornik [aut] (R port), Martin Maechler [aut] (R port)

Initial release