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]