matrix graphs

[Oguz Yarimtepe]

Hi,

I am createing a plot as below:

[a,b,c,d]=princomp(x);
plot(b)

The resulted graohs is here: http://tinypic.com/view.php?pic=19kl1&s=5

But i just want to plot the lines which are in blue. How can is make it?

Where should i look at the details of the b result? I mean what is the
meaning of this matrix columns?

Will be happy is someone guiede a little.


-- 
Oguz Yarimtepe
http://www.loopbacking.info