| poly {signal} | R Documentation |
Polynomial given roots
Description
Coefficients of a polynomial when roots are given or the characteristic polynomial of a matrix.
Usage
poly(x)
Arguments
x |
a vector or matrix. For a vector, it specifies the roots of the polynomial. For a matrix, the characteristic polynomial is found. |
Value
An array of the coefficients of the polynomial in order from highest to lowest polynomial power.
Author(s)
Original Octave version by Kurt Hornik. Conversion to R by Tom Short.
References
Octave Forge https://octave.sourceforge.io/
See Also
Examples
poly(c(1, -1))
poly(roots(1:3))
poly(matrix(1:9, 3, 3))
[Package signal version 1.8-1 Index]