add(plot,data) adds
data to an existing Smith chart.
add(plot,frequency,data)
adds data to an existing Smith chart based on multiple data sets containing
frequencies corresponding to columns of data matrix.
Smith chart handle, specified as a function handle. If the handle of the
Smith chart is not retained during creation, it is obtained by using the
command p = smithplot('gco').
Data Types: double
data — Input data complex vector | complex matrix
Input data, specified as a complex vector or complex matrix.
For a matrix D, the columns of D are
independent data sets. For N-by-D
arrays, dimensions 2 and greater are independent data sets.