finding vertical asymptotes
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finding vertical asymptotes
hi. on the hp there's a function called froots. you feed it a polynomial, and it
returns a list which contains the roots, poles, and their respective
multiplicties. From what i gather, poles are the x values at which vertical
asymptotes to the curve of the polynomial exist. Now, i can find the zeros of a
polynomial with the zeros() or solve() functions on the ti89, but how can i find
the poles? i suppose i can play around with the limit() function, but it would
be clumsy. Is there any nice mathematical method to do it, like whatever they
use in the hp function?
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