## Add Model Roots to a plot

### Description

Calculate and plot roots of a model.

### Usage

    addPlotRoots(v, pch='*', fuzz=0)


### Arguments

 v An object containing a TSmodel. pch Character to use for plotting. fuzz If non-zero then roots within fuzz distance are considered equal.

### Value

The eigenvalues of the state transition matrix or the inverse of the roots of the determinant of the AR polynomial are returned invisibly.

### Side Effects

The roots are addeded to an existing plot.

plot.roots
data("eg1.DSE.data.diff", package="dse")