Polynomials {dse} | R Documentation |
Polynomial utility functions used by DSE.
characteristicPoly(a)
companionMatrix(a)
polyvalue(coef, z)
polydet(a)
polyprod(a, b)
polysum(a, b)
polyrootDet(a)
a |
An array representing a matrix polynomial. |
b |
An array representing a matrix polynomial. |
coef |
Coefficients of a polynomial. |
z |
Value at which the polynomial is to be evaluated. |
These are utility functions used in some ARMA model calculations such as root and stability calculations.
depends