This function plots a MST, the nodes are circles and the edges are
segments.

```
# S3 method for mst
plot(x, coords, label.areas = NULL,
cex.circles = 1, cex.labels = 1, add=FALSE, ...)
```

## Arguments

- x
Object of `mst`

class.

- coords
A two column matrix with the coordinates of nodes.

- label.areas
A vector with the labels of nodes

- cex.circles
The length of circles to plot.

- cex.labels
The length of nodes labels ploted.

- add
default FALSE, create new plot

- ...
Further arguments passed to plotting functions.

## Author

Elias T. Krainski and Renato M. Assuncao

## Examples

```
### see example in mstree function documentation
```