Re: any tool in Matlab that can help me explore the relation between position of poles and the response?

["Mike Yarwood"]

"Headache" <rquirk@xxxxxxxxxxxxxx> wrote in message 
news:1128083228.738510.186840@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

<snip>

matlab: spttool

http://www.mathworks.com/company/newsletters/digest/september99/spttool/

lot's of pole-zero plotting programs such as the one at Mississppi
state university 'Pole/zero analysis of linear systems':

                                www.cavs.msstate.edu/hse/ies/publications/courses/ece_4773/">http://www.cavs.msstate.edu/hse/ies/publications/courses/ece_4773/

Hi Lucy -
                                users.ece.gatech.edu/~bonnie/education/LSLNR/">http://users.ece.gatech.edu/~bonnie/education/LSLNR/

for general rules you could try googling "root locus" or maybe "bode plot" 
or "bode diagrams"

Best of Luck - Mike