signal (version 0.5)

roots: Roots of a polynomial

Description

Roots of a polynomial

Usage

roots(x)

Arguments

x

polynomial coefficients with coefficients given in order from highest to lowest polynomial power. This is the Matlab/Octave convention; it is opposite of the convention used by polyroot.

Value

• A complex array with the roots of the polynomial.

References

Octave Forge http://octave.sf.net

See Also

polyroot, polyval, poly, conv

Examples

roots(1:3)
polyroot(3:1) # should be the same
poly(roots(1:3))