%% Plot Negative Radius Values
% Create a polar plot using negative radius values. By default, polarplot reflects negative values through the origin.

theta = linspace(0,2*pi);
rho = sin(theta);
polarplot(theta,rho)

%
% Change the limits of the r-axis so it ranges from -1 to 1.

rlim([-1 1])

% Copyright 2012 The MathWorks, Inc.