Finding poles of a function in a region of the complex plane matlab -


i have symbolic function f , i'm trying find poles of f in given region of complex plane.

i suppose pole() function useful: http://uk.mathworks.com/help/symbolic/poles.html

however there no option search poles of f in given region. know function has infinite number of poles in complex plane , function returns empty. there way restrict poles in region?

thanks help


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