roots: Polynomial Roots

Description Usage Arguments Details Value See Also Examples

View source: R/roots.R

Description

Computes the roots of the polynomial p.

Usage

1
  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

1
2
3
  roots(c(1, 0, 1, 0, 0))       # 0 0 1i -1i
  p <- Poly(c(-2, -1, 0, 1, 2))
  roots(p)

pracma documentation built on Nov. 22, 2017, 1:08 a.m.