Polynomials: Polynomial Utilities
In dse: Dynamic Systems Estimation (Time Series Package)

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

dse documentation built on March 26, 2020, 7:12 p.m.

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