R: Polynomial Roots

roots {pracma} | R Documentation

## Polynomial Roots

### Description

Computes the roots of the polynomial `p`.

### Usage

      roots(p)

### Arguments

`p` | vector of real numbers representing the polynomial

### Details

For solution the function computes the eigenvalues of the companion matrix.

At the moment, only real coefficients are allowed.

### Value

a vector holding the roots of the polynomial

### See Also

`polyroot`

### Examples

      roots(c(1, 0, 1, 0, 0))       # 0 0 1i -1i
      p <- Poly(c(-2, -1, 0, 1, 2))
      roots(p)

[Package pracma version 2.0.4 Index]