control.matlab.pzmap

control.matlab.pzmap(sys[, grid, plot])[source]

Plot a pole/zero map for a linear system.

Parameters:
sysStateSpace or TransferFunction

Linear system for which poles and zeros are computed.

plotbool, optional

If True a graph is generated with matplotlib, otherwise the poles and zeros are only computed and returned.

gridboolean (default = False)

If True, plot omega-damping grid.

Returns:
polesarray

The system’s poles.

zerosarray

The system’s zeros.

Notes

This function is a wrapper for pole_zero_plot, with legacy return arguments.