I have two sets of data that are being plotted using matlab's polar function.

They are:
theta1= rho1=
10 1
20 2
30 3
40 4
and
theta2= rho2=
50 5
60 6
70 7
80 8

I have tried a few others but this code seems the most logical:

polar(theta1, rho1, 'k');
polar(theta2, rho2, [0 1 0]);

This is supposed to display all of the data in my arrays on one polar plot with part of the line being black and part of it being green. However, I keep getting an error with this. 
Can anyone point me in the right direction?

Thanks in advance,
Arnold Brownschwagger

Try this.... the axis don't resize, but you can maybe change that with set.

theta1=[10 20 30 40];
theta1rad=theta1*pi/180;
rho1=[1 2 3 4];
theta2=[theta1(end) 50 60 70 80];
theta2rad=theta2*pi/180;
rho2=[rho1(end) 5 6 7 8];

polar(theta1rad, rho1, 'k');
hold on
polar(theta2rad, rho2, 'r');

Fred