R: Differentiate a Polynomial

deriv.polynomial {polynom} | R Documentation

## Differentiate a Polynomial

### Description

Calculates the derivative of a univariate polynomial.

### Usage

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

### Arguments

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

### Details

This is a method for the generic function `deriv`.

### Value

Derivative of the polynomial.

### See Also

`integral.polynomial`, `deriv`.

### Examples

    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

[Package polynom version 1.3-9 Index]