www.gusucode.com > graphics 案例源码程序 matlab代码 > graphics/PlotMultipleLinesInPolarCoordinatesExample.m

    %% Plot Multiple Lines in Polar Coordinates
% Plot two lines in polar coordinates. Use a dashed line for the second
% line.

theta = linspace(0,6*pi);
rho1 = theta/10;
polarplot(theta,rho1)

rho2 = theta/12;
hold on
polarplot(theta,rho2,'--')
hold off